Home / 40,211.56-60,337.46-18,040.78

Finding the Fourth Proportional to 40,211.56, 60,337.46 and 18,040.78

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Solution

The fourth proportional to 40,211.56, 60,337.46 and 18,040.78 is: 27,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.56 : 60,337.46 = 18,040.78 : x
  2. Step 2: Convert to fraction form
    40,211.56/60,337.46 = 18,040.78/x
  3. Step 3: Cross multiply
    40,211.56x = 60,337.46 × 18,040.78
  4. Step 4: Simplify right side
    40,211.56x = 1,088,534,860.66
  5. Step 5: Solve for x
    x = 1,088,534,860.66/40,211.56
  6. Step 6: Final answer
    x = 27,070.20

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1.5x scale

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.