Home / 38,544.66-53,194.32-21,552.21

Finding the Fourth Proportional to 38,544.66, 53,194.32 and 21,552.21

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Solution

The fourth proportional to 38,544.66, 53,194.32 and 21,552.21 is: 29,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,544.66 : 53,194.32 = 21,552.21 : x
  2. Step 2: Convert to fraction form
    38,544.66/53,194.32 = 21,552.21/x
  3. Step 3: Cross multiply
    38,544.66x = 53,194.32 × 21,552.21
  4. Step 4: Simplify right side
    38,544.66x = 1,146,455,155.45
  5. Step 5: Solve for x
    x = 1,146,455,155.45/38,544.66
  6. Step 6: Final answer
    x = 29,743.55

Related Problems

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Half scale
Find fourth proportional to 77,089.32, 106,388.64 and 43,104.42
Double scale
Find fourth proportional to 38,545.66, 53,195.70 and 21,553.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.