Home / 40,090.04-55,324.32-22,185.80

Finding the Fourth Proportional to 40,090.04, 55,324.32 and 22,185.80

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Solution

The fourth proportional to 40,090.04, 55,324.32 and 22,185.80 is: 30,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.04 : 55,324.32 = 22,185.80 : x
  2. Step 2: Convert to fraction form
    40,090.04/55,324.32 = 22,185.80/x
  3. Step 3: Cross multiply
    40,090.04x = 55,324.32 × 22,185.80
  4. Step 4: Simplify right side
    40,090.04x = 1,227,414,298.66
  5. Step 5: Solve for x
    x = 1,227,414,298.66/40,090.04
  6. Step 6: Final answer
    x = 30,616.44

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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.