Home / 31,670.87-43,705.17-17,523.71

Finding the Fourth Proportional to 31,670.87, 43,705.17 and 17,523.71

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Solution

The fourth proportional to 31,670.87, 43,705.17 and 17,523.71 is: 24,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.87 : 43,705.17 = 17,523.71 : x
  2. Step 2: Convert to fraction form
    31,670.87/43,705.17 = 17,523.71/x
  3. Step 3: Cross multiply
    31,670.87x = 43,705.17 × 17,523.71
  4. Step 4: Simplify right side
    31,670.87x = 765,876,669.95
  5. Step 5: Solve for x
    x = 765,876,669.95/31,670.87
  6. Step 6: Final answer
    x = 24,182.37

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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.