Home / 39,385.13-59,077.71-13,089.92

Finding the Fourth Proportional to 39,385.13, 59,077.71 and 13,089.92

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Solution

The fourth proportional to 39,385.13, 59,077.71 and 13,089.92 is: 19,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.13 : 59,077.71 = 13,089.92 : x
  2. Step 2: Convert to fraction form
    39,385.13/59,077.71 = 13,089.92/x
  3. Step 3: Cross multiply
    39,385.13x = 59,077.71 × 13,089.92
  4. Step 4: Simplify right side
    39,385.13x = 773,322,202.29
  5. Step 5: Solve for x
    x = 773,322,202.29/39,385.13
  6. Step 6: Final answer
    x = 19,634.88

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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.