Home / 57,939.10-86,908.65-22,874.20

Finding the Fourth Proportional to 57,939.10, 86,908.65 and 22,874.20

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Solution

The fourth proportional to 57,939.10, 86,908.65 and 22,874.20 is: 34,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.10 : 86,908.65 = 22,874.20 : x
  2. Step 2: Convert to fraction form
    57,939.10/86,908.65 = 22,874.20/x
  3. Step 3: Cross multiply
    57,939.10x = 86,908.65 × 22,874.20
  4. Step 4: Simplify right side
    57,939.10x = 1,987,965,841.83
  5. Step 5: Solve for x
    x = 1,987,965,841.83/57,939.10
  6. Step 6: Final answer
    x = 34,311.30

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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.