Home / 72,310.17-108,468.40-22,391.22

Finding the Fourth Proportional to 72,310.17, 108,468.40 and 22,391.22

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Solution

The fourth proportional to 72,310.17, 108,468.40 and 22,391.22 is: 33,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,310.17 : 108,468.40 = 22,391.22 : x
  2. Step 2: Convert to fraction form
    72,310.17/108,468.40 = 22,391.22/x
  3. Step 3: Cross multiply
    72,310.17x = 108,468.40 × 22,391.22
  4. Step 4: Simplify right side
    72,310.17x = 2,428,739,807.45
  5. Step 5: Solve for x
    x = 2,428,739,807.45/72,310.17
  6. Step 6: Final answer
    x = 33,587.80

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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.