Home / 33,649.06-50,470.88-8,690

Finding the Fourth Proportional to 33,649.06, 50,470.88 and 8,690

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Solution

The fourth proportional to 33,649.06, 50,470.88 and 8,690 is: 13,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649.06 : 50,470.88 = 8,690 : x
  2. Step 2: Convert to fraction form
    33,649.06/50,470.88 = 8,690/x
  3. Step 3: Cross multiply
    33,649.06x = 50,470.88 × 8,690
  4. Step 4: Simplify right side
    33,649.06x = 438,591,947.20
  5. Step 5: Solve for x
    x = 438,591,947.20/33,649.06
  6. Step 6: Final answer
    x = 13,034.30

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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.