Home / 67,401.20-93,010.20-40,538.54

Finding the Fourth Proportional to 67,401.20, 93,010.20 and 40,538.54

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Solution

The fourth proportional to 67,401.20, 93,010.20 and 40,538.54 is: 55,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,401.20 : 93,010.20 = 40,538.54 : x
  2. Step 2: Convert to fraction form
    67,401.20/93,010.20 = 40,538.54/x
  3. Step 3: Cross multiply
    67,401.20x = 93,010.20 × 40,538.54
  4. Step 4: Simplify right side
    67,401.20x = 3,770,497,713.11
  5. Step 5: Solve for x
    x = 3,770,497,713.11/67,401.20
  6. Step 6: Final answer
    x = 55,941.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.