Home / 31,766.13-43,835.81-17,618.85

Finding the Fourth Proportional to 31,766.13, 43,835.81 and 17,618.85

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Solution

The fourth proportional to 31,766.13, 43,835.81 and 17,618.85 is: 24,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.13 : 43,835.81 = 17,618.85 : x
  2. Step 2: Convert to fraction form
    31,766.13/43,835.81 = 17,618.85/x
  3. Step 3: Cross multiply
    31,766.13x = 43,835.81 × 17,618.85
  4. Step 4: Simplify right side
    31,766.13x = 772,336,472.92
  5. Step 5: Solve for x
    x = 772,336,472.92/31,766.13
  6. Step 6: Final answer
    x = 24,313.21

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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.