Home / 31,581.18-43,580.79-17,433.90

Finding the Fourth Proportional to 31,581.18, 43,580.79 and 17,433.90

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Solution

The fourth proportional to 31,581.18, 43,580.79 and 17,433.90 is: 24,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.18 : 43,580.79 = 17,433.90 : x
  2. Step 2: Convert to fraction form
    31,581.18/43,580.79 = 17,433.90/x
  3. Step 3: Cross multiply
    31,581.18x = 43,580.79 × 17,433.90
  4. Step 4: Simplify right side
    31,581.18x = 759,783,134.78
  5. Step 5: Solve for x
    x = 759,783,134.78/31,581.18
  6. Step 6: Final answer
    x = 24,058.10

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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.