Home / 38,281.44-52,825.68-21,516.96

Finding the Fourth Proportional to 38,281.44, 52,825.68 and 21,516.96

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Solution

The fourth proportional to 38,281.44, 52,825.68 and 21,516.96 is: 29,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.44 : 52,825.68 = 21,516.96 : x
  2. Step 2: Convert to fraction form
    38,281.44/52,825.68 = 21,516.96/x
  3. Step 3: Cross multiply
    38,281.44x = 52,825.68 × 21,516.96
  4. Step 4: Simplify right side
    38,281.44x = 1,136,648,043.53
  5. Step 5: Solve for x
    x = 1,136,648,043.53/38,281.44
  6. Step 6: Final answer
    x = 29,691.88

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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.