Home / 51,969.30-71,755.97-31,853.62

Finding the Fourth Proportional to 51,969.30, 71,755.97 and 31,853.62

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Solution

The fourth proportional to 51,969.30, 71,755.97 and 31,853.62 is: 43,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.30 : 71,755.97 = 31,853.62 : x
  2. Step 2: Convert to fraction form
    51,969.30/71,755.97 = 31,853.62/x
  3. Step 3: Cross multiply
    51,969.30x = 71,755.97 × 31,853.62
  4. Step 4: Simplify right side
    51,969.30x = 2,285,687,401.11
  5. Step 5: Solve for x
    x = 2,285,687,401.11/51,969.30
  6. Step 6: Final answer
    x = 43,981.49

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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.