Home / 34,177.31-51,234.65-11,978.59

Finding the Fourth Proportional to 34,177.31, 51,234.65 and 11,978.59

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Solution

The fourth proportional to 34,177.31, 51,234.65 and 11,978.59 is: 17,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.31 : 51,234.65 = 11,978.59 : x
  2. Step 2: Convert to fraction form
    34,177.31/51,234.65 = 11,978.59/x
  3. Step 3: Cross multiply
    34,177.31x = 51,234.65 × 11,978.59
  4. Step 4: Simplify right side
    34,177.31x = 613,718,550.08
  5. Step 5: Solve for x
    x = 613,718,550.08/34,177.31
  6. Step 6: Final answer
    x = 17,956.90

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1.5x scale

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.