Home / 57,257.73-79,016.49-42,892.11

Finding the Fourth Proportional to 57,257.73, 79,016.49 and 42,892.11

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Solution

The fourth proportional to 57,257.73, 79,016.49 and 42,892.11 is: 59,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.73 : 79,016.49 = 42,892.11 : x
  2. Step 2: Convert to fraction form
    57,257.73/79,016.49 = 42,892.11/x
  3. Step 3: Cross multiply
    57,257.73x = 79,016.49 × 42,892.11
  4. Step 4: Simplify right side
    57,257.73x = 3,389,183,980.89
  5. Step 5: Solve for x
    x = 3,389,183,980.89/57,257.73
  6. Step 6: Final answer
    x = 59,191.73

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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.