Home / 38,481.60-57,722.40-37,617.60

Finding the Fourth Proportional to 38,481.60, 57,722.40 and 37,617.60

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Solution

The fourth proportional to 38,481.60, 57,722.40 and 37,617.60 is: 56,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.60 : 57,722.40 = 37,617.60 : x
  2. Step 2: Convert to fraction form
    38,481.60/57,722.40 = 37,617.60/x
  3. Step 3: Cross multiply
    38,481.60x = 57,722.40 × 37,617.60
  4. Step 4: Simplify right side
    38,481.60x = 2,171,378,154.24
  5. Step 5: Solve for x
    x = 2,171,378,154.24/38,481.60
  6. Step 6: Final answer
    x = 56,426.40

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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.