Home / 39,864.52-54,991.92-23,720.36

Finding the Fourth Proportional to 39,864.52, 54,991.92 and 23,720.36

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Solution

The fourth proportional to 39,864.52, 54,991.92 and 23,720.36 is: 32,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.52 : 54,991.92 = 23,720.36 : x
  2. Step 2: Convert to fraction form
    39,864.52/54,991.92 = 23,720.36/x
  3. Step 3: Cross multiply
    39,864.52x = 54,991.92 × 23,720.36
  4. Step 4: Simplify right side
    39,864.52x = 1,304,428,139.49
  5. Step 5: Solve for x
    x = 1,304,428,139.49/39,864.52
  6. Step 6: Final answer
    x = 32,721.53

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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.