Home / 55,199.07-82,725.17-30,201.39

Finding the Fourth Proportional to 55,199.07, 82,725.17 and 30,201.39

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Solution

The fourth proportional to 55,199.07, 82,725.17 and 30,201.39 is: 45,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,199.07 : 82,725.17 = 30,201.39 : x
  2. Step 2: Convert to fraction form
    55,199.07/82,725.17 = 30,201.39/x
  3. Step 3: Cross multiply
    55,199.07x = 82,725.17 × 30,201.39
  4. Step 4: Simplify right side
    55,199.07x = 2,498,414,970.98
  5. Step 5: Solve for x
    x = 2,498,414,970.98/55,199.07
  6. Step 6: Final answer
    x = 45,261.90

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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.