Home / 39,747.30-59,637.24-21,022.32

Finding the Fourth Proportional to 39,747.30, 59,637.24 and 21,022.32

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Solution

The fourth proportional to 39,747.30, 59,637.24 and 21,022.32 is: 31,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.30 : 59,637.24 = 21,022.32 : x
  2. Step 2: Convert to fraction form
    39,747.30/59,637.24 = 21,022.32/x
  3. Step 3: Cross multiply
    39,747.30x = 59,637.24 × 21,022.32
  4. Step 4: Simplify right side
    39,747.30x = 1,253,713,143.20
  5. Step 5: Solve for x
    x = 1,253,713,143.20/39,747.30
  6. Step 6: Final answer
    x = 31,542.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.