Home / 55,442.90-83,175.99-18,000.05

Finding the Fourth Proportional to 55,442.90, 83,175.99 and 18,000.05

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Solution

The fourth proportional to 55,442.90, 83,175.99 and 18,000.05 is: 27,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,442.90 : 83,175.99 = 18,000.05 : x
  2. Step 2: Convert to fraction form
    55,442.90/83,175.99 = 18,000.05/x
  3. Step 3: Cross multiply
    55,442.90x = 83,175.99 × 18,000.05
  4. Step 4: Simplify right side
    55,442.90x = 1,497,171,562.92
  5. Step 5: Solve for x
    x = 1,497,171,562.92/55,442.90
  6. Step 6: Final answer
    x = 27,003.85

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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.