Home / 41,129.13-61,694.70-13,427.13

Finding the Fourth Proportional to 41,129.13, 61,694.70 and 13,427.13

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Solution

The fourth proportional to 41,129.13, 61,694.70 and 13,427.13 is: 20,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.13 : 61,694.70 = 13,427.13 : x
  2. Step 2: Convert to fraction form
    41,129.13/61,694.70 = 13,427.13/x
  3. Step 3: Cross multiply
    41,129.13x = 61,694.70 × 13,427.13
  4. Step 4: Simplify right side
    41,129.13x = 828,382,757.21
  5. Step 5: Solve for x
    x = 828,382,757.21/41,129.13
  6. Step 6: Final answer
    x = 20,141.02

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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.