Home / 31,604.60-43,614.24-18,175.22

Finding the Fourth Proportional to 31,604.60, 43,614.24 and 18,175.22

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Solution

The fourth proportional to 31,604.60, 43,614.24 and 18,175.22 is: 25,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.60 : 43,614.24 = 18,175.22 : x
  2. Step 2: Convert to fraction form
    31,604.60/43,614.24 = 18,175.22/x
  3. Step 3: Cross multiply
    31,604.60x = 43,614.24 × 18,175.22
  4. Step 4: Simplify right side
    31,604.60x = 792,698,407.13
  5. Step 5: Solve for x
    x = 792,698,407.13/31,604.60
  6. Step 6: Final answer
    x = 25,081.74

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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.