Home / 42,165.60-63,321.30-40,853.40

Finding the Fourth Proportional to 42,165.60, 63,321.30 and 40,853.40

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Solution

The fourth proportional to 42,165.60, 63,321.30 and 40,853.40 is: 61,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165.60 : 63,321.30 = 40,853.40 : x
  2. Step 2: Convert to fraction form
    42,165.60/63,321.30 = 40,853.40/x
  3. Step 3: Cross multiply
    42,165.60x = 63,321.30 × 40,853.40
  4. Step 4: Simplify right side
    42,165.60x = 2,586,890,397.42
  5. Step 5: Solve for x
    x = 2,586,890,397.42/42,165.60
  6. Step 6: Final answer
    x = 61,350.73

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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.