Home / 40,019.33-55,230.53-22,115.54

Finding the Fourth Proportional to 40,019.33, 55,230.53 and 22,115.54

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Solution

The fourth proportional to 40,019.33, 55,230.53 and 22,115.54 is: 30,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.33 : 55,230.53 = 22,115.54 : x
  2. Step 2: Convert to fraction form
    40,019.33/55,230.53 = 22,115.54/x
  3. Step 3: Cross multiply
    40,019.33x = 55,230.53 × 22,115.54
  4. Step 4: Simplify right side
    40,019.33x = 1,221,452,608.71
  5. Step 5: Solve for x
    x = 1,221,452,608.71/40,019.33
  6. Step 6: Final answer
    x = 30,521.57

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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.