Home / 38,456.75-57,685.13-10,754.75

Finding the Fourth Proportional to 38,456.75, 57,685.13 and 10,754.75

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Solution

The fourth proportional to 38,456.75, 57,685.13 and 10,754.75 is: 16,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.75 : 57,685.13 = 10,754.75 : x
  2. Step 2: Convert to fraction form
    38,456.75/57,685.13 = 10,754.75/x
  3. Step 3: Cross multiply
    38,456.75x = 57,685.13 × 10,754.75
  4. Step 4: Simplify right side
    38,456.75x = 620,389,151.87
  5. Step 5: Solve for x
    x = 620,389,151.87/38,456.75
  6. Step 6: Final answer
    x = 16,132.13

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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.