Home / 22,963.37-34,355.53-20,129.71

Finding the Fourth Proportional to 22,963.37, 34,355.53 and 20,129.71

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Solution

The fourth proportional to 22,963.37, 34,355.53 and 20,129.71 is: 30,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.37 : 34,355.53 = 20,129.71 : x
  2. Step 2: Convert to fraction form
    22,963.37/34,355.53 = 20,129.71/x
  3. Step 3: Cross multiply
    22,963.37x = 34,355.53 × 20,129.71
  4. Step 4: Simplify right side
    22,963.37x = 691,566,975.44
  5. Step 5: Solve for x
    x = 691,566,975.44/22,963.37
  6. Step 6: Final answer
    x = 30,116.09

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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.