Home / 31,727.18-43,781.10-17,579.72

Finding the Fourth Proportional to 31,727.18, 43,781.10 and 17,579.72

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Solution

The fourth proportional to 31,727.18, 43,781.10 and 17,579.72 is: 24,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.18 : 43,781.10 = 17,579.72 : x
  2. Step 2: Convert to fraction form
    31,727.18/43,781.10 = 17,579.72/x
  3. Step 3: Cross multiply
    31,727.18x = 43,781.10 × 17,579.72
  4. Step 4: Simplify right side
    31,727.18x = 769,659,479.29
  5. Step 5: Solve for x
    x = 769,659,479.29/31,727.18
  6. Step 6: Final answer
    x = 24,258.68

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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.