Home / 39,502.28-54,513.14-21,597.28

Finding the Fourth Proportional to 39,502.28, 54,513.14 and 21,597.28

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Solution

The fourth proportional to 39,502.28, 54,513.14 and 21,597.28 is: 29,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,502.28 : 54,513.14 = 21,597.28 : x
  2. Step 2: Convert to fraction form
    39,502.28/54,513.14 = 21,597.28/x
  3. Step 3: Cross multiply
    39,502.28x = 54,513.14 × 21,597.28
  4. Step 4: Simplify right side
    39,502.28x = 1,177,335,167.71
  5. Step 5: Solve for x
    x = 1,177,335,167.71/39,502.28
  6. Step 6: Final answer
    x = 29,804.24

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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.