Home / 31,767.74-43,839.16-17,620.22

Finding the Fourth Proportional to 31,767.74, 43,839.16 and 17,620.22

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Solution

The fourth proportional to 31,767.74, 43,839.16 and 17,620.22 is: 24,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.74 : 43,839.16 = 17,620.22 : x
  2. Step 2: Convert to fraction form
    31,767.74/43,839.16 = 17,620.22/x
  3. Step 3: Cross multiply
    31,767.74x = 43,839.16 × 17,620.22
  4. Step 4: Simplify right side
    31,767.74x = 772,455,380.57
  5. Step 5: Solve for x
    x = 772,455,380.57/31,767.74
  6. Step 6: Final answer
    x = 24,315.72

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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.