Home / 31,732.93-43,789.93-18,993.13

Finding the Fourth Proportional to 31,732.93, 43,789.93 and 18,993.13

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Solution

The fourth proportional to 31,732.93, 43,789.93 and 18,993.13 is: 26,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,732.93 : 43,789.93 = 18,993.13 : x
  2. Step 2: Convert to fraction form
    31,732.93/43,789.93 = 18,993.13/x
  3. Step 3: Cross multiply
    31,732.93x = 43,789.93 × 18,993.13
  4. Step 4: Simplify right side
    31,732.93x = 831,707,833.18
  5. Step 5: Solve for x
    x = 831,707,833.18/31,732.93
  6. Step 6: Final answer
    x = 26,209.61

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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.