Home / 47,742.72-65,879.68-26,517.12

Finding the Fourth Proportional to 47,742.72, 65,879.68 and 26,517.12

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Solution

The fourth proportional to 47,742.72, 65,879.68 and 26,517.12 is: 36,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,742.72 : 65,879.68 = 26,517.12 : x
  2. Step 2: Convert to fraction form
    47,742.72/65,879.68 = 26,517.12/x
  3. Step 3: Cross multiply
    47,742.72x = 65,879.68 × 26,517.12
  4. Step 4: Simplify right side
    47,742.72x = 1,746,939,380.12
  5. Step 5: Solve for x
    x = 1,746,939,380.12/47,742.72
  6. Step 6: Final answer
    x = 36,590.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.