Home / 31,704.33-43,751.89-18,275.51

Finding the Fourth Proportional to 31,704.33, 43,751.89 and 18,275.51

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Solution

The fourth proportional to 31,704.33, 43,751.89 and 18,275.51 is: 25,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.33 : 43,751.89 = 18,275.51 : x
  2. Step 2: Convert to fraction form
    31,704.33/43,751.89 = 18,275.51/x
  3. Step 3: Cross multiply
    31,704.33x = 43,751.89 × 18,275.51
  4. Step 4: Simplify right side
    31,704.33x = 799,588,103.21
  5. Step 5: Solve for x
    x = 799,588,103.21/31,704.33
  6. Step 6: Final answer
    x = 25,220.15

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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.