Home / 39,531.30-59,284.75-20,801.17

Finding the Fourth Proportional to 39,531.30, 59,284.75 and 20,801.17

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Solution

The fourth proportional to 39,531.30, 59,284.75 and 20,801.17 is: 31,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.30 : 59,284.75 = 20,801.17 : x
  2. Step 2: Convert to fraction form
    39,531.30/59,284.75 = 20,801.17/x
  3. Step 3: Cross multiply
    39,531.30x = 59,284.75 × 20,801.17
  4. Step 4: Simplify right side
    39,531.30x = 1,233,192,079.95
  5. Step 5: Solve for x
    x = 1,233,192,079.95/39,531.30
  6. Step 6: Final answer
    x = 31,195.33

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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.