Home / 31,607.73-43,616.43-18,178.92

Finding the Fourth Proportional to 31,607.73, 43,616.43 and 18,178.92

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Solution

The fourth proportional to 31,607.73, 43,616.43 and 18,178.92 is: 25,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,607.73 : 43,616.43 = 18,178.92 : x
  2. Step 2: Convert to fraction form
    31,607.73/43,616.43 = 18,178.92/x
  3. Step 3: Cross multiply
    31,607.73x = 43,616.43 × 18,178.92
  4. Step 4: Simplify right side
    31,607.73x = 792,899,591.66
  5. Step 5: Solve for x
    x = 792,899,591.66/31,607.73
  6. Step 6: Final answer
    x = 25,085.62

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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.