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Finding the Fourth Proportional to 40,234.80, 60,352.20 and 29,866.80

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Solution

The fourth proportional to 40,234.80, 60,352.20 and 29,866.80 is: 44,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.80 : 60,352.20 = 29,866.80 : x
  2. Step 2: Convert to fraction form
    40,234.80/60,352.20 = 29,866.80/x
  3. Step 3: Cross multiply
    40,234.80x = 60,352.20 × 29,866.80
  4. Step 4: Simplify right side
    40,234.80x = 1,802,527,086.96
  5. Step 5: Solve for x
    x = 1,802,527,086.96/40,234.80
  6. Step 6: Final answer
    x = 44,800.20

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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.