Home / 31,318.40-43,194.66-27,737.12

Finding the Fourth Proportional to 31,318.40, 43,194.66 and 27,737.12

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Solution

The fourth proportional to 31,318.40, 43,194.66 and 27,737.12 is: 38,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.40 : 43,194.66 = 27,737.12 : x
  2. Step 2: Convert to fraction form
    31,318.40/43,194.66 = 27,737.12/x
  3. Step 3: Cross multiply
    31,318.40x = 43,194.66 × 27,737.12
  4. Step 4: Simplify right side
    31,318.40x = 1,198,095,467.78
  5. Step 5: Solve for x
    x = 1,198,095,467.78/31,318.40
  6. Step 6: Final answer
    x = 38,255.32

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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.