Home / 38,180.16-52,691.50-21,187.62

Finding the Fourth Proportional to 38,180.16, 52,691.50 and 21,187.62

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Solution

The fourth proportional to 38,180.16, 52,691.50 and 21,187.62 is: 29,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.16 : 52,691.50 = 21,187.62 : x
  2. Step 2: Convert to fraction form
    38,180.16/52,691.50 = 21,187.62/x
  3. Step 3: Cross multiply
    38,180.16x = 52,691.50 × 21,187.62
  4. Step 4: Simplify right side
    38,180.16x = 1,116,407,479.23
  5. Step 5: Solve for x
    x = 1,116,407,479.23/38,180.16
  6. Step 6: Final answer
    x = 29,240.51

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Double scale
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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.