Home / 57,920.25-79,929.40-32,769.75

Finding the Fourth Proportional to 57,920.25, 79,929.40 and 32,769.75

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Solution

The fourth proportional to 57,920.25, 79,929.40 and 32,769.75 is: 45,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920.25 : 79,929.40 = 32,769.75 : x
  2. Step 2: Convert to fraction form
    57,920.25/79,929.40 = 32,769.75/x
  3. Step 3: Cross multiply
    57,920.25x = 79,929.40 × 32,769.75
  4. Step 4: Simplify right side
    57,920.25x = 2,619,266,455.65
  5. Step 5: Solve for x
    x = 2,619,266,455.65/57,920.25
  6. Step 6: Final answer
    x = 45,221.95

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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.