Home / 48,134.55-72,171.75-18,517.10

Finding the Fourth Proportional to 48,134.55, 72,171.75 and 18,517.10

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Solution

The fourth proportional to 48,134.55, 72,171.75 and 18,517.10 is: 27,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,134.55 : 72,171.75 = 18,517.10 : x
  2. Step 2: Convert to fraction form
    48,134.55/72,171.75 = 18,517.10/x
  3. Step 3: Cross multiply
    48,134.55x = 72,171.75 × 18,517.10
  4. Step 4: Simplify right side
    48,134.55x = 1,336,411,511.93
  5. Step 5: Solve for x
    x = 1,336,411,511.93/48,134.55
  6. Step 6: Final answer
    x = 27,764.08

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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.