Home / 31,517.79-43,492.57-17,370.73

Finding the Fourth Proportional to 31,517.79, 43,492.57 and 17,370.73

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Solution

The fourth proportional to 31,517.79, 43,492.57 and 17,370.73 is: 23,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.79 : 43,492.57 = 17,370.73 : x
  2. Step 2: Convert to fraction form
    31,517.79/43,492.57 = 17,370.73/x
  3. Step 3: Cross multiply
    31,517.79x = 43,492.57 × 17,370.73
  4. Step 4: Simplify right side
    31,517.79x = 755,497,690.48
  5. Step 5: Solve for x
    x = 755,497,690.48/31,517.79
  6. Step 6: Final answer
    x = 23,970.52

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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.