Home / 48,507.89-72,761.85-13,447.53

Finding the Fourth Proportional to 48,507.89, 72,761.85 and 13,447.53

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Solution

The fourth proportional to 48,507.89, 72,761.85 and 13,447.53 is: 20,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.89 : 72,761.85 = 13,447.53 : x
  2. Step 2: Convert to fraction form
    48,507.89/72,761.85 = 13,447.53/x
  3. Step 3: Cross multiply
    48,507.89x = 72,761.85 × 13,447.53
  4. Step 4: Simplify right side
    48,507.89x = 978,467,160.73
  5. Step 5: Solve for x
    x = 978,467,160.73/48,507.89
  6. Step 6: Final answer
    x = 20,171.30

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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.