Home / 38,533.20-57,761.40-17,720.40

Finding the Fourth Proportional to 38,533.20, 57,761.40 and 17,720.40

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Solution

The fourth proportional to 38,533.20, 57,761.40 and 17,720.40 is: 26,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.20 : 57,761.40 = 17,720.40 : x
  2. Step 2: Convert to fraction form
    38,533.20/57,761.40 = 17,720.40/x
  3. Step 3: Cross multiply
    38,533.20x = 57,761.40 × 17,720.40
  4. Step 4: Simplify right side
    38,533.20x = 1,023,555,112.56
  5. Step 5: Solve for x
    x = 1,023,555,112.56/38,533.20
  6. Step 6: Final answer
    x = 26,562.94

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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.