Home / 41,140.64-61,711.30-9,975.90

Finding the Fourth Proportional to 41,140.64, 61,711.30 and 9,975.90

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Solution

The fourth proportional to 41,140.64, 61,711.30 and 9,975.90 is: 14,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.64 : 61,711.30 = 9,975.90 : x
  2. Step 2: Convert to fraction form
    41,140.64/61,711.30 = 9,975.90/x
  3. Step 3: Cross multiply
    41,140.64x = 61,711.30 × 9,975.90
  4. Step 4: Simplify right side
    41,140.64x = 615,625,757.67
  5. Step 5: Solve for x
    x = 615,625,757.67/41,140.64
  6. Step 6: Final answer
    x = 14,963.93

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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.