Home / 72,397.82-108,613.74-22,475.36

Finding the Fourth Proportional to 72,397.82, 108,613.74 and 22,475.36

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Solution

The fourth proportional to 72,397.82, 108,613.74 and 22,475.36 is: 33,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,397.82 : 108,613.74 = 22,475.36 : x
  2. Step 2: Convert to fraction form
    72,397.82/108,613.74 = 22,475.36/x
  3. Step 3: Cross multiply
    72,397.82x = 108,613.74 × 22,475.36
  4. Step 4: Simplify right side
    72,397.82x = 2,441,132,907.45
  5. Step 5: Solve for x
    x = 2,441,132,907.45/72,397.82
  6. Step 6: Final answer
    x = 33,718.32

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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.