Home / 57,342.30-79,121.93-34,678.14

Finding the Fourth Proportional to 57,342.30, 79,121.93 and 34,678.14

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Solution

The fourth proportional to 57,342.30, 79,121.93 and 34,678.14 is: 47,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.30 : 79,121.93 = 34,678.14 : x
  2. Step 2: Convert to fraction form
    57,342.30/79,121.93 = 34,678.14/x
  3. Step 3: Cross multiply
    57,342.30x = 79,121.93 × 34,678.14
  4. Step 4: Simplify right side
    57,342.30x = 2,743,801,365.61
  5. Step 5: Solve for x
    x = 2,743,801,365.61/57,342.30
  6. Step 6: Final answer
    x = 47,849.52

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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.