Home / 41,139.66-61,709.85-9,975.18

Finding the Fourth Proportional to 41,139.66, 61,709.85 and 9,975.18

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Solution

The fourth proportional to 41,139.66, 61,709.85 and 9,975.18 is: 14,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.66 : 61,709.85 = 9,975.18 : x
  2. Step 2: Convert to fraction form
    41,139.66/61,709.85 = 9,975.18/x
  3. Step 3: Cross multiply
    41,139.66x = 61,709.85 × 9,975.18
  4. Step 4: Simplify right side
    41,139.66x = 615,566,861.52
  5. Step 5: Solve for x
    x = 615,566,861.52/41,139.66
  6. Step 6: Final answer
    x = 14,962.86

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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.