Home / 40,529.21-55,929.79-22,624.52

Finding the Fourth Proportional to 40,529.21, 55,929.79 and 22,624.52

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Solution

The fourth proportional to 40,529.21, 55,929.79 and 22,624.52 is: 31,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,529.21 : 55,929.79 = 22,624.52 : x
  2. Step 2: Convert to fraction form
    40,529.21/55,929.79 = 22,624.52/x
  3. Step 3: Cross multiply
    40,529.21x = 55,929.79 × 22,624.52
  4. Step 4: Simplify right side
    40,529.21x = 1,265,384,401.08
  5. Step 5: Solve for x
    x = 1,265,384,401.08/40,529.21
  6. Step 6: Final answer
    x = 31,221.54

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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.