Home / 48,515.52-72,773.28-13,455.18

Finding the Fourth Proportional to 48,515.52, 72,773.28 and 13,455.18

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Solution

The fourth proportional to 48,515.52, 72,773.28 and 13,455.18 is: 20,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.52 : 72,773.28 = 13,455.18 : x
  2. Step 2: Convert to fraction form
    48,515.52/72,773.28 = 13,455.18/x
  3. Step 3: Cross multiply
    48,515.52x = 72,773.28 × 13,455.18
  4. Step 4: Simplify right side
    48,515.52x = 979,177,265.12
  5. Step 5: Solve for x
    x = 979,177,265.12/48,515.52
  6. Step 6: Final answer
    x = 20,182.76

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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.