Home / 31,766.59-43,819.57-19,809.17

Finding the Fourth Proportional to 31,766.59, 43,819.57 and 19,809.17

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Solution

The fourth proportional to 31,766.59, 43,819.57 and 19,809.17 is: 27,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.59 : 43,819.57 = 19,809.17 : x
  2. Step 2: Convert to fraction form
    31,766.59/43,819.57 = 19,809.17/x
  3. Step 3: Cross multiply
    31,766.59x = 43,819.57 × 19,809.17
  4. Step 4: Simplify right side
    31,766.59x = 868,029,311.46
  5. Step 5: Solve for x
    x = 868,029,311.46/31,766.59
  6. Step 6: Final answer
    x = 27,325.23

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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.