Home / 22,171.54-30,600.52-21,175.06

Finding the Fourth Proportional to 22,171.54, 30,600.52 and 21,175.06

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Solution

The fourth proportional to 22,171.54, 30,600.52 and 21,175.06 is: 29,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.54 : 30,600.52 = 21,175.06 : x
  2. Step 2: Convert to fraction form
    22,171.54/30,600.52 = 21,175.06/x
  3. Step 3: Cross multiply
    22,171.54x = 30,600.52 × 21,175.06
  4. Step 4: Simplify right side
    22,171.54x = 647,967,847.03
  5. Step 5: Solve for x
    x = 647,967,847.03/22,171.54
  6. Step 6: Final answer
    x = 29,225.21

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1.5x scale

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.