Home / 39,856.50-54,997.16-22,859.87

Finding the Fourth Proportional to 39,856.50, 54,997.16 and 22,859.87

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Solution

The fourth proportional to 39,856.50, 54,997.16 and 22,859.87 is: 31,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856.50 : 54,997.16 = 22,859.87 : x
  2. Step 2: Convert to fraction form
    39,856.50/54,997.16 = 22,859.87/x
  3. Step 3: Cross multiply
    39,856.50x = 54,997.16 × 22,859.87
  4. Step 4: Simplify right side
    39,856.50x = 1,257,227,538.68
  5. Step 5: Solve for x
    x = 1,257,227,538.68/39,856.50
  6. Step 6: Final answer
    x = 31,543.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.