Home / 20,044.78-30,081.75-8,963.98

Finding the Fourth Proportional to 20,044.78, 30,081.75 and 8,963.98

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Solution

The fourth proportional to 20,044.78, 30,081.75 and 8,963.98 is: 13,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.78 : 30,081.75 = 8,963.98 : x
  2. Step 2: Convert to fraction form
    20,044.78/30,081.75 = 8,963.98/x
  3. Step 3: Cross multiply
    20,044.78x = 30,081.75 × 8,963.98
  4. Step 4: Simplify right side
    20,044.78x = 269,652,205.37
  5. Step 5: Solve for x
    x = 269,652,205.37/20,044.78
  6. Step 6: Final answer
    x = 13,452.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.