Home / 55,414.28-83,121.24-15,971.60

Finding the Fourth Proportional to 55,414.28, 83,121.24 and 15,971.60

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Solution

The fourth proportional to 55,414.28, 83,121.24 and 15,971.60 is: 23,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,414.28 : 83,121.24 = 15,971.60 : x
  2. Step 2: Convert to fraction form
    55,414.28/83,121.24 = 15,971.60/x
  3. Step 3: Cross multiply
    55,414.28x = 83,121.24 × 15,971.60
  4. Step 4: Simplify right side
    55,414.28x = 1,327,579,196.78
  5. Step 5: Solve for x
    x = 1,327,579,196.78/55,414.28
  6. Step 6: Final answer
    x = 23,957.35

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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.