Home / 36,458.38-50,312.56-19,691.38

Finding the Fourth Proportional to 36,458.38, 50,312.56 and 19,691.38

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Solution

The fourth proportional to 36,458.38, 50,312.56 and 19,691.38 is: 27,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.38 : 50,312.56 = 19,691.38 : x
  2. Step 2: Convert to fraction form
    36,458.38/50,312.56 = 19,691.38/x
  3. Step 3: Cross multiply
    36,458.38x = 50,312.56 × 19,691.38
  4. Step 4: Simplify right side
    36,458.38x = 990,723,737.73
  5. Step 5: Solve for x
    x = 990,723,737.73/36,458.38
  6. Step 6: Final answer
    x = 27,174.10

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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.