Home / 38,231.85-52,760.67-21,237.69

Finding the Fourth Proportional to 38,231.85, 52,760.67 and 21,237.69

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Solution

The fourth proportional to 38,231.85, 52,760.67 and 21,237.69 is: 29,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.85 : 52,760.67 = 21,237.69 : x
  2. Step 2: Convert to fraction form
    38,231.85/52,760.67 = 21,237.69/x
  3. Step 3: Cross multiply
    38,231.85x = 52,760.67 × 21,237.69
  4. Step 4: Simplify right side
    38,231.85x = 1,120,514,753.65
  5. Step 5: Solve for x
    x = 1,120,514,753.65/38,231.85
  6. Step 6: Final answer
    x = 29,308.41

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.