Home / 43,818.40-65,727.60-26,279.20

Finding the Fourth Proportional to 43,818.40, 65,727.60 and 26,279.20

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Solution

The fourth proportional to 43,818.40, 65,727.60 and 26,279.20 is: 39,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.40 : 65,727.60 = 26,279.20 : x
  2. Step 2: Convert to fraction form
    43,818.40/65,727.60 = 26,279.20/x
  3. Step 3: Cross multiply
    43,818.40x = 65,727.60 × 26,279.20
  4. Step 4: Simplify right side
    43,818.40x = 1,727,268,745.92
  5. Step 5: Solve for x
    x = 1,727,268,745.92/43,818.40
  6. Step 6: Final answer
    x = 39,418.80

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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.