Home / 38,373.56-57,454.06-19,613.20

Finding the Fourth Proportional to 38,373.56, 57,454.06 and 19,613.20

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Solution

The fourth proportional to 38,373.56, 57,454.06 and 19,613.20 is: 29,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.56 : 57,454.06 = 19,613.20 : x
  2. Step 2: Convert to fraction form
    38,373.56/57,454.06 = 19,613.20/x
  3. Step 3: Cross multiply
    38,373.56x = 57,454.06 × 19,613.20
  4. Step 4: Simplify right side
    38,373.56x = 1,126,857,584.26
  5. Step 5: Solve for x
    x = 1,126,857,584.26/38,373.56
  6. Step 6: Final answer
    x = 29,365.47

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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.