Home / 31,345.92-43,260.41-17,914.61

Finding the Fourth Proportional to 31,345.92, 43,260.41 and 17,914.61

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Solution

The fourth proportional to 31,345.92, 43,260.41 and 17,914.61 is: 24,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.92 : 43,260.41 = 17,914.61 : x
  2. Step 2: Convert to fraction form
    31,345.92/43,260.41 = 17,914.61/x
  3. Step 3: Cross multiply
    31,345.92x = 43,260.41 × 17,914.61
  4. Step 4: Simplify right side
    31,345.92x = 774,993,526.53
  5. Step 5: Solve for x
    x = 774,993,526.53/31,345.92
  6. Step 6: Final answer
    x = 24,723.90

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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.