Home / 83,591.44-125,387.96-21,261.92

Finding the Fourth Proportional to 83,591.44, 125,387.96 and 21,261.92

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Solution

The fourth proportional to 83,591.44, 125,387.96 and 21,261.92 is: 31,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,591.44 : 125,387.96 = 21,261.92 : x
  2. Step 2: Convert to fraction form
    83,591.44/125,387.96 = 21,261.92/x
  3. Step 3: Cross multiply
    83,591.44x = 125,387.96 × 21,261.92
  4. Step 4: Simplify right side
    83,591.44x = 2,665,988,774.48
  5. Step 5: Solve for x
    x = 2,665,988,774.48/83,591.44
  6. Step 6: Final answer
    x = 31,893.08

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1.5x scale

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.