Home / 43,799.20-65,612.40-26,216.80

Finding the Fourth Proportional to 43,799.20, 65,612.40 and 26,216.80

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Solution

The fourth proportional to 43,799.20, 65,612.40 and 26,216.80 is: 39,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,799.20 : 65,612.40 = 26,216.80 : x
  2. Step 2: Convert to fraction form
    43,799.20/65,612.40 = 26,216.80/x
  3. Step 3: Cross multiply
    43,799.20x = 65,612.40 × 26,216.80
  4. Step 4: Simplify right side
    43,799.20x = 1,720,147,168.32
  5. Step 5: Solve for x
    x = 1,720,147,168.32/43,799.20
  6. Step 6: Final answer
    x = 39,273.48

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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.