Home / 40,401.12-60,590.34-15,423.96

Finding the Fourth Proportional to 40,401.12, 60,590.34 and 15,423.96

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Solution

The fourth proportional to 40,401.12, 60,590.34 and 15,423.96 is: 23,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.12 : 60,590.34 = 15,423.96 : x
  2. Step 2: Convert to fraction form
    40,401.12/60,590.34 = 15,423.96/x
  3. Step 3: Cross multiply
    40,401.12x = 60,590.34 × 15,423.96
  4. Step 4: Simplify right side
    40,401.12x = 934,542,980.55
  5. Step 5: Solve for x
    x = 934,542,980.55/40,401.12
  6. Step 6: Final answer
    x = 23,131.61

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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.