Home / 49,436.46-74,164.01-19,856.61

Finding the Fourth Proportional to 49,436.46, 74,164.01 and 19,856.61

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Solution

The fourth proportional to 49,436.46, 74,164.01 and 19,856.61 is: 29,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,436.46 : 74,164.01 = 19,856.61 : x
  2. Step 2: Convert to fraction form
    49,436.46/74,164.01 = 19,856.61/x
  3. Step 3: Cross multiply
    49,436.46x = 74,164.01 × 19,856.61
  4. Step 4: Simplify right side
    49,436.46x = 1,472,645,723.32
  5. Step 5: Solve for x
    x = 1,472,645,723.32/49,436.46
  6. Step 6: Final answer
    x = 29,788.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.