Home / 43,809.20-65,713.80-32,145.20

Finding the Fourth Proportional to 43,809.20, 65,713.80 and 32,145.20

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Solution

The fourth proportional to 43,809.20, 65,713.80 and 32,145.20 is: 48,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,809.20 : 65,713.80 = 32,145.20 : x
  2. Step 2: Convert to fraction form
    43,809.20/65,713.80 = 32,145.20/x
  3. Step 3: Cross multiply
    43,809.20x = 65,713.80 × 32,145.20
  4. Step 4: Simplify right side
    43,809.20x = 2,112,383,243.76
  5. Step 5: Solve for x
    x = 2,112,383,243.76/43,809.20
  6. Step 6: Final answer
    x = 48,217.80

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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.