Home / 30,229.61-41,722.26-22,611.11

Finding the Fourth Proportional to 30,229.61, 41,722.26 and 22,611.11

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Solution

The fourth proportional to 30,229.61, 41,722.26 and 22,611.11 is: 31,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.61 : 41,722.26 = 22,611.11 : x
  2. Step 2: Convert to fraction form
    30,229.61/41,722.26 = 22,611.11/x
  3. Step 3: Cross multiply
    30,229.61x = 41,722.26 × 22,611.11
  4. Step 4: Simplify right side
    30,229.61x = 943,386,610.31
  5. Step 5: Solve for x
    x = 943,386,610.31/30,229.61
  6. Step 6: Final answer
    x = 31,207.37

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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.