Home / 37,129.92-55,694.85-13,431.93

Finding the Fourth Proportional to 37,129.92, 55,694.85 and 13,431.93

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Solution

The fourth proportional to 37,129.92, 55,694.85 and 13,431.93 is: 20,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.92 : 55,694.85 = 13,431.93 : x
  2. Step 2: Convert to fraction form
    37,129.92/55,694.85 = 13,431.93/x
  3. Step 3: Cross multiply
    37,129.92x = 55,694.85 × 13,431.93
  4. Step 4: Simplify right side
    37,129.92x = 748,089,326.56
  5. Step 5: Solve for x
    x = 748,089,326.56/37,129.92
  6. Step 6: Final answer
    x = 20,147.88

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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.