Home / 55,786.20-76,959.15-33,112.28

Finding the Fourth Proportional to 55,786.20, 76,959.15 and 33,112.28

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Solution

The fourth proportional to 55,786.20, 76,959.15 and 33,112.28 is: 45,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786.20 : 76,959.15 = 33,112.28 : x
  2. Step 2: Convert to fraction form
    55,786.20/76,959.15 = 33,112.28/x
  3. Step 3: Cross multiply
    55,786.20x = 76,959.15 × 33,112.28
  4. Step 4: Simplify right side
    55,786.20x = 2,548,292,538.57
  5. Step 5: Solve for x
    x = 2,548,292,538.57/55,786.20
  6. Step 6: Final answer
    x = 45,679.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.