Home / 55,729.28-76,891.52-33,049.41

Finding the Fourth Proportional to 55,729.28, 76,891.52 and 33,049.41

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Solution

The fourth proportional to 55,729.28, 76,891.52 and 33,049.41 is: 45,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.28 : 76,891.52 = 33,049.41 : x
  2. Step 2: Convert to fraction form
    55,729.28/76,891.52 = 33,049.41/x
  3. Step 3: Cross multiply
    55,729.28x = 76,891.52 × 33,049.41
  4. Step 4: Simplify right side
    55,729.28x = 2,541,219,452.63
  5. Step 5: Solve for x
    x = 2,541,219,452.63/55,729.28
  6. Step 6: Final answer
    x = 45,599.36

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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.