Home / 48,587.53-72,850.10-20,499.91

Finding the Fourth Proportional to 48,587.53, 72,850.10 and 20,499.91

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Solution

The fourth proportional to 48,587.53, 72,850.10 and 20,499.91 is: 30,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.53 : 72,850.10 = 20,499.91 : x
  2. Step 2: Convert to fraction form
    48,587.53/72,850.10 = 20,499.91/x
  3. Step 3: Cross multiply
    48,587.53x = 72,850.10 × 20,499.91
  4. Step 4: Simplify right side
    48,587.53x = 1,493,420,493.49
  5. Step 5: Solve for x
    x = 1,493,420,493.49/48,587.53
  6. Step 6: Final answer
    x = 30,736.70

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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.