Home / 47,661.60-65,768.68-26,440.80

Finding the Fourth Proportional to 47,661.60, 65,768.68 and 26,440.80

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Solution

The fourth proportional to 47,661.60, 65,768.68 and 26,440.80 is: 36,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.60 : 65,768.68 = 26,440.80 : x
  2. Step 2: Convert to fraction form
    47,661.60/65,768.68 = 26,440.80/x
  3. Step 3: Cross multiply
    47,661.60x = 65,768.68 × 26,440.80
  4. Step 4: Simplify right side
    47,661.60x = 1,738,976,514.14
  5. Step 5: Solve for x
    x = 1,738,976,514.14/47,661.60
  6. Step 6: Final answer
    x = 36,485.90

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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.