Home / 60,908.32-91,372.33-18,778.55

Finding the Fourth Proportional to 60,908.32, 91,372.33 and 18,778.55

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Solution

The fourth proportional to 60,908.32, 91,372.33 and 18,778.55 is: 28,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,908.32 : 91,372.33 = 18,778.55 : x
  2. Step 2: Convert to fraction form
    60,908.32/91,372.33 = 18,778.55/x
  3. Step 3: Cross multiply
    60,908.32x = 91,372.33 × 18,778.55
  4. Step 4: Simplify right side
    60,908.32x = 1,715,839,363.71
  5. Step 5: Solve for x
    x = 1,715,839,363.71/60,908.32
  6. Step 6: Final answer
    x = 28,170.85

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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.