Home / 40,091.69-55,324.22-22,185.83

Finding the Fourth Proportional to 40,091.69, 55,324.22 and 22,185.83

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Solution

The fourth proportional to 40,091.69, 55,324.22 and 22,185.83 is: 30,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.69 : 55,324.22 = 22,185.83 : x
  2. Step 2: Convert to fraction form
    40,091.69/55,324.22 = 22,185.83/x
  3. Step 3: Cross multiply
    40,091.69x = 55,324.22 × 22,185.83
  4. Step 4: Simplify right side
    40,091.69x = 1,227,413,767.18
  5. Step 5: Solve for x
    x = 1,227,413,767.18/40,091.69
  6. Step 6: Final answer
    x = 30,615.16

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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.