Home / 29,159.09-43,731.33-8,382.59

Finding the Fourth Proportional to 29,159.09, 43,731.33 and 8,382.59

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Solution

The fourth proportional to 29,159.09, 43,731.33 and 8,382.59 is: 12,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.09 : 43,731.33 = 8,382.59 : x
  2. Step 2: Convert to fraction form
    29,159.09/43,731.33 = 8,382.59/x
  3. Step 3: Cross multiply
    29,159.09x = 43,731.33 × 8,382.59
  4. Step 4: Simplify right side
    29,159.09x = 366,581,590.89
  5. Step 5: Solve for x
    x = 366,581,590.89/29,159.09
  6. Step 6: Final answer
    x = 12,571.78

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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.