Home / 60,380.82-90,571.28-20,937.96

Finding the Fourth Proportional to 60,380.82, 90,571.28 and 20,937.96

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Solution

The fourth proportional to 60,380.82, 90,571.28 and 20,937.96 is: 31,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,380.82 : 90,571.28 = 20,937.96 : x
  2. Step 2: Convert to fraction form
    60,380.82/90,571.28 = 20,937.96/x
  3. Step 3: Cross multiply
    60,380.82x = 90,571.28 × 20,937.96
  4. Step 4: Simplify right side
    60,380.82x = 1,896,377,733.10
  5. Step 5: Solve for x
    x = 1,896,377,733.10/60,380.82
  6. Step 6: Final answer
    x = 31,406.96

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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.