Home / 57,788.31-79,741.92-39,654.58

Finding the Fourth Proportional to 57,788.31, 79,741.92 and 39,654.58

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Solution

The fourth proportional to 57,788.31, 79,741.92 and 39,654.58 is: 54,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,788.31 : 79,741.92 = 39,654.58 : x
  2. Step 2: Convert to fraction form
    57,788.31/79,741.92 = 39,654.58/x
  3. Step 3: Cross multiply
    57,788.31x = 79,741.92 × 39,654.58
  4. Step 4: Simplify right side
    57,788.31x = 3,162,132,345.99
  5. Step 5: Solve for x
    x = 3,162,132,345.99/57,788.31
  6. Step 6: Final answer
    x = 54,719.24

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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.