Home / 39,773.76-59,591.52-21,272.64

Finding the Fourth Proportional to 39,773.76, 59,591.52 and 21,272.64

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Solution

The fourth proportional to 39,773.76, 59,591.52 and 21,272.64 is: 31,871.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.76 : 59,591.52 = 21,272.64 : x
  2. Step 2: Convert to fraction form
    39,773.76/59,591.52 = 21,272.64/x
  3. Step 3: Cross multiply
    39,773.76x = 59,591.52 × 21,272.64
  4. Step 4: Simplify right side
    39,773.76x = 1,267,668,952.01
  5. Step 5: Solve for x
    x = 1,267,668,952.01/39,773.76
  6. Step 6: Final answer
    x = 31,871.99

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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.