Home / 31,408.75-43,344.08-17,262.51

Finding the Fourth Proportional to 31,408.75, 43,344.08 and 17,262.51

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Solution

The fourth proportional to 31,408.75, 43,344.08 and 17,262.51 is: 23,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.75 : 43,344.08 = 17,262.51 : x
  2. Step 2: Convert to fraction form
    31,408.75/43,344.08 = 17,262.51/x
  3. Step 3: Cross multiply
    31,408.75x = 43,344.08 × 17,262.51
  4. Step 4: Simplify right side
    31,408.75x = 748,227,614.44
  5. Step 5: Solve for x
    x = 748,227,614.44/31,408.75
  6. Step 6: Final answer
    x = 23,822.27

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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.