Home / 31,872.54-43,981.70-17,724.26

Finding the Fourth Proportional to 31,872.54, 43,981.70 and 17,724.26

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Solution

The fourth proportional to 31,872.54, 43,981.70 and 17,724.26 is: 24,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.54 : 43,981.70 = 17,724.26 : x
  2. Step 2: Convert to fraction form
    31,872.54/43,981.70 = 17,724.26/x
  3. Step 3: Cross multiply
    31,872.54x = 43,981.70 × 17,724.26
  4. Step 4: Simplify right side
    31,872.54x = 779,543,086.04
  5. Step 5: Solve for x
    x = 779,543,086.04/31,872.54
  6. Step 6: Final answer
    x = 24,458.14

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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.