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Finding the Fourth Proportional to 40,169.64, 60,294.90 and 35,520.24

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Solution

The fourth proportional to 40,169.64, 60,294.90 and 35,520.24 is: 53,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.64 : 60,294.90 = 35,520.24 : x
  2. Step 2: Convert to fraction form
    40,169.64/60,294.90 = 35,520.24/x
  3. Step 3: Cross multiply
    40,169.64x = 60,294.90 × 35,520.24
  4. Step 4: Simplify right side
    40,169.64x = 2,141,689,318.78
  5. Step 5: Solve for x
    x = 2,141,689,318.78/40,169.64
  6. Step 6: Final answer
    x = 53,316.12

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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.