Home / 37,747.11-56,636.82-12,789.79

Finding the Fourth Proportional to 37,747.11, 56,636.82 and 12,789.79

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Solution

The fourth proportional to 37,747.11, 56,636.82 and 12,789.79 is: 19,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,747.11 : 56,636.82 = 12,789.79 : x
  2. Step 2: Convert to fraction form
    37,747.11/56,636.82 = 12,789.79/x
  3. Step 3: Cross multiply
    37,747.11x = 56,636.82 × 12,789.79
  4. Step 4: Simplify right side
    37,747.11x = 724,373,034.07
  5. Step 5: Solve for x
    x = 724,373,034.07/37,747.11
  6. Step 6: Final answer
    x = 19,190.16

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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.