Home / 30,333.18-41,862.92-18,237.61

Finding the Fourth Proportional to 30,333.18, 41,862.92 and 18,237.61

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Solution

The fourth proportional to 30,333.18, 41,862.92 and 18,237.61 is: 25,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333.18 : 41,862.92 = 18,237.61 : x
  2. Step 2: Convert to fraction form
    30,333.18/41,862.92 = 18,237.61/x
  3. Step 3: Cross multiply
    30,333.18x = 41,862.92 × 18,237.61
  4. Step 4: Simplify right side
    30,333.18x = 763,479,517.23
  5. Step 5: Solve for x
    x = 763,479,517.23/30,333.18
  6. Step 6: Final answer
    x = 25,169.79

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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.