Home / 38,475.10-57,712.65-36,660.70

Finding the Fourth Proportional to 38,475.10, 57,712.65 and 36,660.70

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Solution

The fourth proportional to 38,475.10, 57,712.65 and 36,660.70 is: 54,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.10 : 57,712.65 = 36,660.70 : x
  2. Step 2: Convert to fraction form
    38,475.10/57,712.65 = 36,660.70/x
  3. Step 3: Cross multiply
    38,475.10x = 57,712.65 × 36,660.70
  4. Step 4: Simplify right side
    38,475.10x = 2,115,786,147.86
  5. Step 5: Solve for x
    x = 2,115,786,147.86/38,475.10
  6. Step 6: Final answer
    x = 54,991.05

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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.