Home / 31,408.12-43,344.12-17,795.17

Finding the Fourth Proportional to 31,408.12, 43,344.12 and 17,795.17

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Solution

The fourth proportional to 31,408.12, 43,344.12 and 17,795.17 is: 24,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.12 : 43,344.12 = 17,795.17 : x
  2. Step 2: Convert to fraction form
    31,408.12/43,344.12 = 17,795.17/x
  3. Step 3: Cross multiply
    31,408.12x = 43,344.12 × 17,795.17
  4. Step 4: Simplify right side
    31,408.12x = 771,315,983.90
  5. Step 5: Solve for x
    x = 771,315,983.90/31,408.12
  6. Step 6: Final answer
    x = 24,557.85

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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.