Home / 30,233.80-41,716.20-18,294.76

Finding the Fourth Proportional to 30,233.80, 41,716.20 and 18,294.76

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Solution

The fourth proportional to 30,233.80, 41,716.20 and 18,294.76 is: 25,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.80 : 41,716.20 = 18,294.76 : x
  2. Step 2: Convert to fraction form
    30,233.80/41,716.20 = 18,294.76/x
  3. Step 3: Cross multiply
    30,233.80x = 41,716.20 × 18,294.76
  4. Step 4: Simplify right side
    30,233.80x = 763,187,867.11
  5. Step 5: Solve for x
    x = 763,187,867.11/30,233.80
  6. Step 6: Final answer
    x = 25,242.87

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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.