Home / 40,090.02-55,325.42-22,186.73

Finding the Fourth Proportional to 40,090.02, 55,325.42 and 22,186.73

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Solution

The fourth proportional to 40,090.02, 55,325.42 and 22,186.73 is: 30,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.02 : 55,325.42 = 22,186.73 : x
  2. Step 2: Convert to fraction form
    40,090.02/55,325.42 = 22,186.73/x
  3. Step 3: Cross multiply
    40,090.02x = 55,325.42 × 22,186.73
  4. Step 4: Simplify right side
    40,090.02x = 1,227,489,768.12
  5. Step 5: Solve for x
    x = 1,227,489,768.12/40,090.02
  6. Step 6: Final answer
    x = 30,618.34

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Double scale
Find fourth proportional to 40,091.02, 55,326.80 and 22,187.73
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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.