Home / 40,688.85-61,033.28-34,127.85

Finding the Fourth Proportional to 40,688.85, 61,033.28 and 34,127.85

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Solution

The fourth proportional to 40,688.85, 61,033.28 and 34,127.85 is: 51,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.85 : 61,033.28 = 34,127.85 : x
  2. Step 2: Convert to fraction form
    40,688.85/61,033.28 = 34,127.85/x
  3. Step 3: Cross multiply
    40,688.85x = 61,033.28 × 34,127.85
  4. Step 4: Simplify right side
    40,688.85x = 2,082,934,454.21
  5. Step 5: Solve for x
    x = 2,082,934,454.21/40,688.85
  6. Step 6: Final answer
    x = 51,191.78

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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.