Home / 39,227.97-54,135.65-21,324.18

Finding the Fourth Proportional to 39,227.97, 54,135.65 and 21,324.18

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Solution

The fourth proportional to 39,227.97, 54,135.65 and 21,324.18 is: 29,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.97 : 54,135.65 = 21,324.18 : x
  2. Step 2: Convert to fraction form
    39,227.97/54,135.65 = 21,324.18/x
  3. Step 3: Cross multiply
    39,227.97x = 54,135.65 × 21,324.18
  4. Step 4: Simplify right side
    39,227.97x = 1,154,398,345.02
  5. Step 5: Solve for x
    x = 1,154,398,345.02/39,227.97
  6. Step 6: Final answer
    x = 29,427.94

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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.