Home / 47,778.24-65,934.56-29,884

Finding the Fourth Proportional to 47,778.24, 65,934.56 and 29,884

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Solution

The fourth proportional to 47,778.24, 65,934.56 and 29,884 is: 41,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.24 : 65,934.56 = 29,884 : x
  2. Step 2: Convert to fraction form
    47,778.24/65,934.56 = 29,884/x
  3. Step 3: Cross multiply
    47,778.24x = 65,934.56 × 29,884
  4. Step 4: Simplify right side
    47,778.24x = 1,970,388,391.04
  5. Step 5: Solve for x
    x = 1,970,388,391.04/47,778.24
  6. Step 6: Final answer
    x = 41,240.29

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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.