Home / 40,961.28-61,335-28,444.08

Finding the Fourth Proportional to 40,961.28, 61,335 and 28,444.08

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Solution

The fourth proportional to 40,961.28, 61,335 and 28,444.08 is: 42,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,961.28 : 61,335 = 28,444.08 : x
  2. Step 2: Convert to fraction form
    40,961.28/61,335 = 28,444.08/x
  3. Step 3: Cross multiply
    40,961.28x = 61,335 × 28,444.08
  4. Step 4: Simplify right side
    40,961.28x = 1,744,617,646.80
  5. Step 5: Solve for x
    x = 1,744,617,646.80/40,961.28
  6. Step 6: Final answer
    x = 42,591.87

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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.