Home / 38,531.52-57,806.46-12,236.22

Finding the Fourth Proportional to 38,531.52, 57,806.46 and 12,236.22

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Solution

The fourth proportional to 38,531.52, 57,806.46 and 12,236.22 is: 18,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.52 : 57,806.46 = 12,236.22 : x
  2. Step 2: Convert to fraction form
    38,531.52/57,806.46 = 12,236.22/x
  3. Step 3: Cross multiply
    38,531.52x = 57,806.46 × 12,236.22
  4. Step 4: Simplify right side
    38,531.52x = 707,332,561.98
  5. Step 5: Solve for x
    x = 707,332,561.98/38,531.52
  6. Step 6: Final answer
    x = 18,357.25

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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.