Home / 50,387.66-75,584.13-12,947.98

Finding the Fourth Proportional to 50,387.66, 75,584.13 and 12,947.98

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Solution

The fourth proportional to 50,387.66, 75,584.13 and 12,947.98 is: 19,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,387.66 : 75,584.13 = 12,947.98 : x
  2. Step 2: Convert to fraction form
    50,387.66/75,584.13 = 12,947.98/x
  3. Step 3: Cross multiply
    50,387.66x = 75,584.13 × 12,947.98
  4. Step 4: Simplify right side
    50,387.66x = 978,661,780.59
  5. Step 5: Solve for x
    x = 978,661,780.59/50,387.66
  6. Step 6: Final answer
    x = 19,422.65

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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.