Home / 40,230.72-55,517.56-22,325.58

Finding the Fourth Proportional to 40,230.72, 55,517.56 and 22,325.58

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Solution

The fourth proportional to 40,230.72, 55,517.56 and 22,325.58 is: 30,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.72 : 55,517.56 = 22,325.58 : x
  2. Step 2: Convert to fraction form
    40,230.72/55,517.56 = 22,325.58/x
  3. Step 3: Cross multiply
    40,230.72x = 55,517.56 × 22,325.58
  4. Step 4: Simplify right side
    40,230.72x = 1,239,461,727.18
  5. Step 5: Solve for x
    x = 1,239,461,727.18/40,230.72
  6. Step 6: Final answer
    x = 30,808.84

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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.