Home / 30,239.10-41,734.22-21,769.29

Finding the Fourth Proportional to 30,239.10, 41,734.22 and 21,769.29

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Solution

The fourth proportional to 30,239.10, 41,734.22 and 21,769.29 is: 30,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.10 : 41,734.22 = 21,769.29 : x
  2. Step 2: Convert to fraction form
    30,239.10/41,734.22 = 21,769.29/x
  3. Step 3: Cross multiply
    30,239.10x = 41,734.22 × 21,769.29
  4. Step 4: Simplify right side
    30,239.10x = 908,524,229.26
  5. Step 5: Solve for x
    x = 908,524,229.26/30,239.10
  6. Step 6: Final answer
    x = 30,044.68

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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.