Home / 55,414.80-83,122.44-15,972.72

Finding the Fourth Proportional to 55,414.80, 83,122.44 and 15,972.72

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Solution

The fourth proportional to 55,414.80, 83,122.44 and 15,972.72 is: 23,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,414.80 : 83,122.44 = 15,972.72 : x
  2. Step 2: Convert to fraction form
    55,414.80/83,122.44 = 15,972.72/x
  3. Step 3: Cross multiply
    55,414.80x = 83,122.44 × 15,972.72
  4. Step 4: Simplify right side
    55,414.80x = 1,327,691,459.84
  5. Step 5: Solve for x
    x = 1,327,691,459.84/55,414.80
  6. Step 6: Final answer
    x = 23,959.15

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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.