Home / 31,553.72-43,540.77-17,406.57

Finding the Fourth Proportional to 31,553.72, 43,540.77 and 17,406.57

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Solution

The fourth proportional to 31,553.72, 43,540.77 and 17,406.57 is: 24,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.72 : 43,540.77 = 17,406.57 : x
  2. Step 2: Convert to fraction form
    31,553.72/43,540.77 = 17,406.57/x
  3. Step 3: Cross multiply
    31,553.72x = 43,540.77 × 17,406.57
  4. Step 4: Simplify right side
    31,553.72x = 757,895,460.86
  5. Step 5: Solve for x
    x = 757,895,460.86/31,553.72
  6. Step 6: Final answer
    x = 24,019.21

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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.