Home / 31,408.14-43,344.10-17,261.88

Finding the Fourth Proportional to 31,408.14, 43,344.10 and 17,261.88

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Solution

The fourth proportional to 31,408.14, 43,344.10 and 17,261.88 is: 23,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.14 : 43,344.10 = 17,261.88 : x
  2. Step 2: Convert to fraction form
    31,408.14/43,344.10 = 17,261.88/x
  3. Step 3: Cross multiply
    31,408.14x = 43,344.10 × 17,261.88
  4. Step 4: Simplify right side
    31,408.14x = 748,200,652.91
  5. Step 5: Solve for x
    x = 748,200,652.91/31,408.14
  6. Step 6: Final answer
    x = 23,821.87

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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.