Home / 42,335.88-63,490.84-29,272.20

Finding the Fourth Proportional to 42,335.88, 63,490.84 and 29,272.20

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Solution

The fourth proportional to 42,335.88, 63,490.84 and 29,272.20 is: 43,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,335.88 : 63,490.84 = 29,272.20 : x
  2. Step 2: Convert to fraction form
    42,335.88/63,490.84 = 29,272.20/x
  3. Step 3: Cross multiply
    42,335.88x = 63,490.84 × 29,272.20
  4. Step 4: Simplify right side
    42,335.88x = 1,858,516,566.65
  5. Step 5: Solve for x
    x = 1,858,516,566.65/42,335.88
  6. Step 6: Final answer
    x = 43,899.33

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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.