Home / 57,282.03-79,046.01-31,788.09

Finding the Fourth Proportional to 57,282.03, 79,046.01 and 31,788.09

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Solution

The fourth proportional to 57,282.03, 79,046.01 and 31,788.09 is: 43,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282.03 : 79,046.01 = 31,788.09 : x
  2. Step 2: Convert to fraction form
    57,282.03/79,046.01 = 31,788.09/x
  3. Step 3: Cross multiply
    57,282.03x = 79,046.01 × 31,788.09
  4. Step 4: Simplify right side
    57,282.03x = 2,512,721,680.02
  5. Step 5: Solve for x
    x = 2,512,721,680.02/57,282.03
  6. Step 6: Final answer
    x = 43,865.79

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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.