Home / 31,865.39-43,972.43-17,717.93

Finding the Fourth Proportional to 31,865.39, 43,972.43 and 17,717.93

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Solution

The fourth proportional to 31,865.39, 43,972.43 and 17,717.93 is: 24,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.39 : 43,972.43 = 17,717.93 : x
  2. Step 2: Convert to fraction form
    31,865.39/43,972.43 = 17,717.93/x
  3. Step 3: Cross multiply
    31,865.39x = 43,972.43 × 17,717.93
  4. Step 4: Simplify right side
    31,865.39x = 779,100,128.22
  5. Step 5: Solve for x
    x = 779,100,128.22/31,865.39
  6. Step 6: Final answer
    x = 24,449.73

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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.