Home / 57,780.22-79,735.68-32,287.12

Finding the Fourth Proportional to 57,780.22, 79,735.68 and 32,287.12

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Solution

The fourth proportional to 57,780.22, 79,735.68 and 32,287.12 is: 44,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780.22 : 79,735.68 = 32,287.12 : x
  2. Step 2: Convert to fraction form
    57,780.22/79,735.68 = 32,287.12/x
  3. Step 3: Cross multiply
    57,780.22x = 79,735.68 × 32,287.12
  4. Step 4: Simplify right side
    57,780.22x = 2,574,435,468.44
  5. Step 5: Solve for x
    x = 2,574,435,468.44/57,780.22
  6. Step 6: Final answer
    x = 44,555.65

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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.