Home / 40,134.06-60,180.60-13,470.87

Finding the Fourth Proportional to 40,134.06, 60,180.60 and 13,470.87

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Solution

The fourth proportional to 40,134.06, 60,180.60 and 13,470.87 is: 20,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.06 : 60,180.60 = 13,470.87 : x
  2. Step 2: Convert to fraction form
    40,134.06/60,180.60 = 13,470.87/x
  3. Step 3: Cross multiply
    40,134.06x = 60,180.60 × 13,470.87
  4. Step 4: Simplify right side
    40,134.06x = 810,685,039.12
  5. Step 5: Solve for x
    x = 810,685,039.12/40,134.06
  6. Step 6: Final answer
    x = 20,199.43

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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.