Home / 38,182.72-52,691.68-21,186.96

Finding the Fourth Proportional to 38,182.72, 52,691.68 and 21,186.96

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Solution

The fourth proportional to 38,182.72, 52,691.68 and 21,186.96 is: 29,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,182.72 : 52,691.68 = 21,186.96 : x
  2. Step 2: Convert to fraction form
    38,182.72/52,691.68 = 21,186.96/x
  3. Step 3: Cross multiply
    38,182.72x = 52,691.68 × 21,186.96
  4. Step 4: Simplify right side
    38,182.72x = 1,116,376,516.49
  5. Step 5: Solve for x
    x = 1,116,376,516.49/38,182.72
  6. Step 6: Final answer
    x = 29,237.74

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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.