Home / 31,865.14-43,972.08-17,717.68

Finding the Fourth Proportional to 31,865.14, 43,972.08 and 17,717.68

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Solution

The fourth proportional to 31,865.14, 43,972.08 and 17,717.68 is: 24,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.14 : 43,972.08 = 17,717.68 : x
  2. Step 2: Convert to fraction form
    31,865.14/43,972.08 = 17,717.68/x
  3. Step 3: Cross multiply
    31,865.14x = 43,972.08 × 17,717.68
  4. Step 4: Simplify right side
    31,865.14x = 779,083,022.51
  5. Step 5: Solve for x
    x = 779,083,022.51/31,865.14
  6. Step 6: Final answer
    x = 24,449.39

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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.