Home / 48,581.16-72,876.57-13,520.82

Finding the Fourth Proportional to 48,581.16, 72,876.57 and 13,520.82

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Solution

The fourth proportional to 48,581.16, 72,876.57 and 13,520.82 is: 20,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.16 : 72,876.57 = 13,520.82 : x
  2. Step 2: Convert to fraction form
    48,581.16/72,876.57 = 13,520.82/x
  3. Step 3: Cross multiply
    48,581.16x = 72,876.57 × 13,520.82
  4. Step 4: Simplify right side
    48,581.16x = 985,350,985.19
  5. Step 5: Solve for x
    x = 985,350,985.19/48,581.16
  6. Step 6: Final answer
    x = 20,282.57

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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.