Home / 82,001.43-123,014.39-25,835.63

Finding the Fourth Proportional to 82,001.43, 123,014.39 and 25,835.63

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Solution

The fourth proportional to 82,001.43, 123,014.39 and 25,835.63 is: 38,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,001.43 : 123,014.39 = 25,835.63 : x
  2. Step 2: Convert to fraction form
    82,001.43/123,014.39 = 25,835.63/x
  3. Step 3: Cross multiply
    82,001.43x = 123,014.39 × 25,835.63
  4. Step 4: Simplify right side
    82,001.43x = 3,178,153,520.47
  5. Step 5: Solve for x
    x = 3,178,153,520.47/82,001.43
  6. Step 6: Final answer
    x = 38,757.29

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1.5x scale

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.