Home / 31,581.03-43,581.85-17,433.86

Finding the Fourth Proportional to 31,581.03, 43,581.85 and 17,433.86

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Solution

The fourth proportional to 31,581.03, 43,581.85 and 17,433.86 is: 24,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.03 : 43,581.85 = 17,433.86 : x
  2. Step 2: Convert to fraction form
    31,581.03/43,581.85 = 17,433.86/x
  3. Step 3: Cross multiply
    31,581.03x = 43,581.85 × 17,433.86
  4. Step 4: Simplify right side
    31,581.03x = 759,799,871.44
  5. Step 5: Solve for x
    x = 759,799,871.44/31,581.03
  6. Step 6: Final answer
    x = 24,058.74

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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.