Home / 72,344.26-108,515.24-19,753.58

Finding the Fourth Proportional to 72,344.26, 108,515.24 and 19,753.58

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Solution

The fourth proportional to 72,344.26, 108,515.24 and 19,753.58 is: 29,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344.26 : 108,515.24 = 19,753.58 : x
  2. Step 2: Convert to fraction form
    72,344.26/108,515.24 = 19,753.58/x
  3. Step 3: Cross multiply
    72,344.26x = 108,515.24 × 19,753.58
  4. Step 4: Simplify right side
    72,344.26x = 2,143,564,474.56
  5. Step 5: Solve for x
    x = 2,143,564,474.56/72,344.26
  6. Step 6: Final answer
    x = 29,630.06

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1.5x scale

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.