Home / 31,522.10-43,500.38-17,182.80

Finding the Fourth Proportional to 31,522.10, 43,500.38 and 17,182.80

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Solution

The fourth proportional to 31,522.10, 43,500.38 and 17,182.80 is: 23,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522.10 : 43,500.38 = 17,182.80 : x
  2. Step 2: Convert to fraction form
    31,522.10/43,500.38 = 17,182.80/x
  3. Step 3: Cross multiply
    31,522.10x = 43,500.38 × 17,182.80
  4. Step 4: Simplify right side
    31,522.10x = 747,458,243.55
  5. Step 5: Solve for x
    x = 747,458,243.55/31,522.10
  6. Step 6: Final answer
    x = 23,712.20

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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.