Home / 38,713.68-58,081.56-18,998.16

Finding the Fourth Proportional to 38,713.68, 58,081.56 and 18,998.16

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Solution

The fourth proportional to 38,713.68, 58,081.56 and 18,998.16 is: 28,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,713.68 : 58,081.56 = 18,998.16 : x
  2. Step 2: Convert to fraction form
    38,713.68/58,081.56 = 18,998.16/x
  3. Step 3: Cross multiply
    38,713.68x = 58,081.56 × 18,998.16
  4. Step 4: Simplify right side
    38,713.68x = 1,103,442,769.93
  5. Step 5: Solve for x
    x = 1,103,442,769.93/38,713.68
  6. Step 6: Final answer
    x = 28,502.66

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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.