Home / 40,029.27-55,236.56-22,121.39

Finding the Fourth Proportional to 40,029.27, 55,236.56 and 22,121.39

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Solution

The fourth proportional to 40,029.27, 55,236.56 and 22,121.39 is: 30,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.27 : 55,236.56 = 22,121.39 : x
  2. Step 2: Convert to fraction form
    40,029.27/55,236.56 = 22,121.39/x
  3. Step 3: Cross multiply
    40,029.27x = 55,236.56 × 22,121.39
  4. Step 4: Simplify right side
    40,029.27x = 1,221,909,099.23
  5. Step 5: Solve for x
    x = 1,221,909,099.23/40,029.27
  6. Step 6: Final answer
    x = 30,525.39

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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.