Home / 71,536.24-98,726.22-39,711.28

Finding the Fourth Proportional to 71,536.24, 98,726.22 and 39,711.28

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Solution

The fourth proportional to 71,536.24, 98,726.22 and 39,711.28 is: 54,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,536.24 : 98,726.22 = 39,711.28 : x
  2. Step 2: Convert to fraction form
    71,536.24/98,726.22 = 39,711.28/x
  3. Step 3: Cross multiply
    71,536.24x = 98,726.22 × 39,711.28
  4. Step 4: Simplify right side
    71,536.24x = 3,920,544,565.76
  5. Step 5: Solve for x
    x = 3,920,544,565.76/71,536.24
  6. Step 6: Final answer
    x = 54,805.01

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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.