Home / 48,240.90-72,372.15-18,656.10

Finding the Fourth Proportional to 48,240.90, 72,372.15 and 18,656.10

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Solution

The fourth proportional to 48,240.90, 72,372.15 and 18,656.10 is: 27,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.90 : 72,372.15 = 18,656.10 : x
  2. Step 2: Convert to fraction form
    48,240.90/72,372.15 = 18,656.10/x
  3. Step 3: Cross multiply
    48,240.90x = 72,372.15 × 18,656.10
  4. Step 4: Simplify right side
    48,240.90x = 1,350,182,067.62
  5. Step 5: Solve for x
    x = 1,350,182,067.62/48,240.90
  6. Step 6: Final answer
    x = 27,988.33

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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.