Home / 31,474.92-43,436.25-17,328.63

Finding the Fourth Proportional to 31,474.92, 43,436.25 and 17,328.63

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Solution

The fourth proportional to 31,474.92, 43,436.25 and 17,328.63 is: 23,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.92 : 43,436.25 = 17,328.63 : x
  2. Step 2: Convert to fraction form
    31,474.92/43,436.25 = 17,328.63/x
  3. Step 3: Cross multiply
    31,474.92x = 43,436.25 × 17,328.63
  4. Step 4: Simplify right side
    31,474.92x = 752,690,704.84
  5. Step 5: Solve for x
    x = 752,690,704.84/31,474.92
  6. Step 6: Final answer
    x = 23,913.98

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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.