Home / 37,891.38-52,287.66-20,895.68

Finding the Fourth Proportional to 37,891.38, 52,287.66 and 20,895.68

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Solution

The fourth proportional to 37,891.38, 52,287.66 and 20,895.68 is: 28,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.38 : 52,287.66 = 20,895.68 : x
  2. Step 2: Convert to fraction form
    37,891.38/52,287.66 = 20,895.68/x
  3. Step 3: Cross multiply
    37,891.38x = 52,287.66 × 20,895.68
  4. Step 4: Simplify right side
    37,891.38x = 1,092,586,211.31
  5. Step 5: Solve for x
    x = 1,092,586,211.31/37,891.38
  6. Step 6: Final answer
    x = 28,834.69

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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.