Home / 38,004.20-57,000.90-11,711.60

Finding the Fourth Proportional to 38,004.20, 57,000.90 and 11,711.60

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Solution

The fourth proportional to 38,004.20, 57,000.90 and 11,711.60 is: 17,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,004.20 : 57,000.90 = 11,711.60 : x
  2. Step 2: Convert to fraction form
    38,004.20/57,000.90 = 11,711.60/x
  3. Step 3: Cross multiply
    38,004.20x = 57,000.90 × 11,711.60
  4. Step 4: Simplify right side
    38,004.20x = 667,571,740.44
  5. Step 5: Solve for x
    x = 667,571,740.44/38,004.20
  6. Step 6: Final answer
    x = 17,565.74

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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.