Home / 40,086.18-60,138.63-11,623.72

Finding the Fourth Proportional to 40,086.18, 60,138.63 and 11,623.72

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Solution

The fourth proportional to 40,086.18, 60,138.63 and 11,623.72 is: 17,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.18 : 60,138.63 = 11,623.72 : x
  2. Step 2: Convert to fraction form
    40,086.18/60,138.63 = 11,623.72/x
  3. Step 3: Cross multiply
    40,086.18x = 60,138.63 × 11,623.72
  4. Step 4: Simplify right side
    40,086.18x = 699,034,596.30
  5. Step 5: Solve for x
    x = 699,034,596.30/40,086.18
  6. Step 6: Final answer
    x = 17,438.29

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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.