Home / 31,683.16-43,727.38-18,251.83

Finding the Fourth Proportional to 31,683.16, 43,727.38 and 18,251.83

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Solution

The fourth proportional to 31,683.16, 43,727.38 and 18,251.83 is: 25,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.16 : 43,727.38 = 18,251.83 : x
  2. Step 2: Convert to fraction form
    31,683.16/43,727.38 = 18,251.83/x
  3. Step 3: Cross multiply
    31,683.16x = 43,727.38 × 18,251.83
  4. Step 4: Simplify right side
    31,683.16x = 798,104,838.24
  5. Step 5: Solve for x
    x = 798,104,838.24/31,683.16
  6. Step 6: Final answer
    x = 25,190.19

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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.