Home / 41,299.20-61,948.80-40,643.10

Finding the Fourth Proportional to 41,299.20, 61,948.80 and 40,643.10

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Solution

The fourth proportional to 41,299.20, 61,948.80 and 40,643.10 is: 60,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,299.20 : 61,948.80 = 40,643.10 : x
  2. Step 2: Convert to fraction form
    41,299.20/61,948.80 = 40,643.10/x
  3. Step 3: Cross multiply
    41,299.20x = 61,948.80 × 40,643.10
  4. Step 4: Simplify right side
    41,299.20x = 2,517,791,273.28
  5. Step 5: Solve for x
    x = 2,517,791,273.28/41,299.20
  6. Step 6: Final answer
    x = 60,964.65

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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.