Home / 39,294-54,231.21-25,176.92

Finding the Fourth Proportional to 39,294, 54,231.21 and 25,176.92

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Solution

The fourth proportional to 39,294, 54,231.21 and 25,176.92 is: 34,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294 : 54,231.21 = 25,176.92 : x
  2. Step 2: Convert to fraction form
    39,294/54,231.21 = 25,176.92/x
  3. Step 3: Cross multiply
    39,294x = 54,231.21 × 25,176.92
  4. Step 4: Simplify right side
    39,294x = 1,365,374,564.52
  5. Step 5: Solve for x
    x = 1,365,374,564.52/39,294
  6. Step 6: Final answer
    x = 34,747.66

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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.