Home / 69,013.64-103,446.65-31,517.53

Finding the Fourth Proportional to 69,013.64, 103,446.65 and 31,517.53

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Solution

The fourth proportional to 69,013.64, 103,446.65 and 31,517.53 is: 47,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013.64 : 103,446.65 = 31,517.53 : x
  2. Step 2: Convert to fraction form
    69,013.64/103,446.65 = 31,517.53/x
  3. Step 3: Cross multiply
    69,013.64x = 103,446.65 × 31,517.53
  4. Step 4: Simplify right side
    69,013.64x = 3,260,382,219.95
  5. Step 5: Solve for x
    x = 3,260,382,219.95/69,013.64
  6. Step 6: Final answer
    x = 47,242.58

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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.