Home / 48,517.52-72,777.15-13,457.21

Finding the Fourth Proportional to 48,517.52, 72,777.15 and 13,457.21

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Solution

The fourth proportional to 48,517.52, 72,777.15 and 13,457.21 is: 20,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,517.52 : 72,777.15 = 13,457.21 : x
  2. Step 2: Convert to fraction form
    48,517.52/72,777.15 = 13,457.21/x
  3. Step 3: Cross multiply
    48,517.52x = 72,777.15 × 13,457.21
  4. Step 4: Simplify right side
    48,517.52x = 979,377,026.87
  5. Step 5: Solve for x
    x = 979,377,026.87/48,517.52
  6. Step 6: Final answer
    x = 20,186.05

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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.