Home / 55,843.28-77,064.32-30,349.65

Finding the Fourth Proportional to 55,843.28, 77,064.32 and 30,349.65

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Solution

The fourth proportional to 55,843.28, 77,064.32 and 30,349.65 is: 41,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.28 : 77,064.32 = 30,349.65 : x
  2. Step 2: Convert to fraction form
    55,843.28/77,064.32 = 30,349.65/x
  3. Step 3: Cross multiply
    55,843.28x = 77,064.32 × 30,349.65
  4. Step 4: Simplify right side
    55,843.28x = 2,338,874,768.76
  5. Step 5: Solve for x
    x = 2,338,874,768.76/55,843.28
  6. Step 6: Final answer
    x = 41,882.83

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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.