Home / 38,042.55-57,070.20-13,081.59

Finding the Fourth Proportional to 38,042.55, 57,070.20 and 13,081.59

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Solution

The fourth proportional to 38,042.55, 57,070.20 and 13,081.59 is: 19,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042.55 : 57,070.20 = 13,081.59 : x
  2. Step 2: Convert to fraction form
    38,042.55/57,070.20 = 13,081.59/x
  3. Step 3: Cross multiply
    38,042.55x = 57,070.20 × 13,081.59
  4. Step 4: Simplify right side
    38,042.55x = 746,568,957.62
  5. Step 5: Solve for x
    x = 746,568,957.62/38,042.55
  6. Step 6: Final answer
    x = 19,624.58

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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.