Home / 35,292.24-48,704.88-21,144.78

Finding the Fourth Proportional to 35,292.24, 48,704.88 and 21,144.78

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Solution

The fourth proportional to 35,292.24, 48,704.88 and 21,144.78 is: 29,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.24 : 48,704.88 = 21,144.78 : x
  2. Step 2: Convert to fraction form
    35,292.24/48,704.88 = 21,144.78/x
  3. Step 3: Cross multiply
    35,292.24x = 48,704.88 × 21,144.78
  4. Step 4: Simplify right side
    35,292.24x = 1,029,853,972.53
  5. Step 5: Solve for x
    x = 1,029,853,972.53/35,292.24
  6. Step 6: Final answer
    x = 29,180.75

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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.