Home / 31,452.05-43,403.90-17,305.80

Finding the Fourth Proportional to 31,452.05, 43,403.90 and 17,305.80

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Solution

The fourth proportional to 31,452.05, 43,403.90 and 17,305.80 is: 23,882.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.05 : 43,403.90 = 17,305.80 : x
  2. Step 2: Convert to fraction form
    31,452.05/43,403.90 = 17,305.80/x
  3. Step 3: Cross multiply
    31,452.05x = 43,403.90 × 17,305.80
  4. Step 4: Simplify right side
    31,452.05x = 751,139,126.09
  5. Step 5: Solve for x
    x = 751,139,126.09/31,452.05
  6. Step 6: Final answer
    x = 23,882.04

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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.