Home / 49,520.10-74,353.05-38,439.30

Finding the Fourth Proportional to 49,520.10, 74,353.05 and 38,439.30

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Solution

The fourth proportional to 49,520.10, 74,353.05 and 38,439.30 is: 57,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.10 : 74,353.05 = 38,439.30 : x
  2. Step 2: Convert to fraction form
    49,520.10/74,353.05 = 38,439.30/x
  3. Step 3: Cross multiply
    49,520.10x = 74,353.05 × 38,439.30
  4. Step 4: Simplify right side
    49,520.10x = 2,858,079,194.87
  5. Step 5: Solve for x
    x = 2,858,079,194.87/49,520.10
  6. Step 6: Final answer
    x = 57,715.54

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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.