Home / 51,363.59-76,939.25-30,238.55

Finding the Fourth Proportional to 51,363.59, 76,939.25 and 30,238.55

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Solution

The fourth proportional to 51,363.59, 76,939.25 and 30,238.55 is: 45,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.59 : 76,939.25 = 30,238.55 : x
  2. Step 2: Convert to fraction form
    51,363.59/76,939.25 = 30,238.55/x
  3. Step 3: Cross multiply
    51,363.59x = 76,939.25 × 30,238.55
  4. Step 4: Simplify right side
    51,363.59x = 2,326,530,822.20
  5. Step 5: Solve for x
    x = 2,326,530,822.20/51,363.59
  6. Step 6: Final answer
    x = 45,295.34

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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.