Home / 38,186.27-57,279.35-21,538.74

Finding the Fourth Proportional to 38,186.27, 57,279.35 and 21,538.74

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Solution

The fourth proportional to 38,186.27, 57,279.35 and 21,538.74 is: 32,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.27 : 57,279.35 = 21,538.74 : x
  2. Step 2: Convert to fraction form
    38,186.27/57,279.35 = 21,538.74/x
  3. Step 3: Cross multiply
    38,186.27x = 57,279.35 × 21,538.74
  4. Step 4: Simplify right side
    38,186.27x = 1,233,725,295.66
  5. Step 5: Solve for x
    x = 1,233,725,295.66/38,186.27
  6. Step 6: Final answer
    x = 32,308.09

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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.