Home / 42,886.20-64,331.82-16,591.08

Finding the Fourth Proportional to 42,886.20, 64,331.82 and 16,591.08

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Solution

The fourth proportional to 42,886.20, 64,331.82 and 16,591.08 is: 24,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,886.20 : 64,331.82 = 16,591.08 : x
  2. Step 2: Convert to fraction form
    42,886.20/64,331.82 = 16,591.08/x
  3. Step 3: Cross multiply
    42,886.20x = 64,331.82 × 16,591.08
  4. Step 4: Simplify right side
    42,886.20x = 1,067,334,372.17
  5. Step 5: Solve for x
    x = 1,067,334,372.17/42,886.20
  6. Step 6: Final answer
    x = 24,887.59

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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.