Home / 38,441.39-53,047.51-21,445.36

Finding the Fourth Proportional to 38,441.39, 53,047.51 and 21,445.36

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Solution

The fourth proportional to 38,441.39, 53,047.51 and 21,445.36 is: 29,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.39 : 53,047.51 = 21,445.36 : x
  2. Step 2: Convert to fraction form
    38,441.39/53,047.51 = 21,445.36/x
  3. Step 3: Cross multiply
    38,441.39x = 53,047.51 × 21,445.36
  4. Step 4: Simplify right side
    38,441.39x = 1,137,622,762.82
  5. Step 5: Solve for x
    x = 1,137,622,762.82/38,441.39
  6. Step 6: Final answer
    x = 29,593.70

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Half scale
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Double scale
Find fourth proportional to 38,442.39, 53,048.89 and 21,446.36
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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.