Home / 40,234.22-60,331.08-13,931.90

Finding the Fourth Proportional to 40,234.22, 60,331.08 and 13,931.90

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Solution

The fourth proportional to 40,234.22, 60,331.08 and 13,931.90 is: 20,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.22 : 60,331.08 = 13,931.90 : x
  2. Step 2: Convert to fraction form
    40,234.22/60,331.08 = 13,931.90/x
  3. Step 3: Cross multiply
    40,234.22x = 60,331.08 × 13,931.90
  4. Step 4: Simplify right side
    40,234.22x = 840,526,573.45
  5. Step 5: Solve for x
    x = 840,526,573.45/40,234.22
  6. Step 6: Final answer
    x = 20,890.84

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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.