Home / 67,997.78-101,910.30-38,432.24

Finding the Fourth Proportional to 67,997.78, 101,910.30 and 38,432.24

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Solution

The fourth proportional to 67,997.78, 101,910.30 and 38,432.24 is: 57,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997.78 : 101,910.30 = 38,432.24 : x
  2. Step 2: Convert to fraction form
    67,997.78/101,910.30 = 38,432.24/x
  3. Step 3: Cross multiply
    67,997.78x = 101,910.30 × 38,432.24
  4. Step 4: Simplify right side
    67,997.78x = 3,916,641,108.07
  5. Step 5: Solve for x
    x = 3,916,641,108.07/67,997.78
  6. Step 6: Final answer
    x = 57,599.54

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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.