Home / 40,134.22-55,384.53-22,228.84

Finding the Fourth Proportional to 40,134.22, 55,384.53 and 22,228.84

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Solution

The fourth proportional to 40,134.22, 55,384.53 and 22,228.84 is: 30,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.22 : 55,384.53 = 22,228.84 : x
  2. Step 2: Convert to fraction form
    40,134.22/55,384.53 = 22,228.84/x
  3. Step 3: Cross multiply
    40,134.22x = 55,384.53 × 22,228.84
  4. Step 4: Simplify right side
    40,134.22x = 1,231,133,855.85
  5. Step 5: Solve for x
    x = 1,231,133,855.85/40,134.22
  6. Step 6: Final answer
    x = 30,675.42

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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.