Home / 40,091.21-55,325.04-22,185.15

Finding the Fourth Proportional to 40,091.21, 55,325.04 and 22,185.15

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Solution

The fourth proportional to 40,091.21, 55,325.04 and 22,185.15 is: 30,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.21 : 55,325.04 = 22,185.15 : x
  2. Step 2: Convert to fraction form
    40,091.21/55,325.04 = 22,185.15/x
  3. Step 3: Cross multiply
    40,091.21x = 55,325.04 × 22,185.15
  4. Step 4: Simplify right side
    40,091.21x = 1,227,394,311.16
  5. Step 5: Solve for x
    x = 1,227,394,311.16/40,091.21
  6. Step 6: Final answer
    x = 30,615.05

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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.