Home / 42,272.32-63,418.16-22,540.48

Finding the Fourth Proportional to 42,272.32, 63,418.16 and 22,540.48

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Solution

The fourth proportional to 42,272.32, 63,418.16 and 22,540.48 is: 33,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,272.32 : 63,418.16 = 22,540.48 : x
  2. Step 2: Convert to fraction form
    42,272.32/63,418.16 = 22,540.48/x
  3. Step 3: Cross multiply
    42,272.32x = 63,418.16 × 22,540.48
  4. Step 4: Simplify right side
    42,272.32x = 1,429,475,767.12
  5. Step 5: Solve for x
    x = 1,429,475,767.12/42,272.32
  6. Step 6: Final answer
    x = 33,815.88

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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.