Home / 57,921.17-79,912.62-32,423.78

Finding the Fourth Proportional to 57,921.17, 79,912.62 and 32,423.78

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Solution

The fourth proportional to 57,921.17, 79,912.62 and 32,423.78 is: 44,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.17 : 79,912.62 = 32,423.78 : x
  2. Step 2: Convert to fraction form
    57,921.17/79,912.62 = 32,423.78/x
  3. Step 3: Cross multiply
    57,921.17x = 79,912.62 × 32,423.78
  4. Step 4: Simplify right side
    57,921.17x = 2,591,068,810.54
  5. Step 5: Solve for x
    x = 2,591,068,810.54/57,921.17
  6. Step 6: Final answer
    x = 44,734.40

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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.