Home / 37,212.84-51,353.46-20,446.20

Finding the Fourth Proportional to 37,212.84, 51,353.46 and 20,446.20

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Solution

The fourth proportional to 37,212.84, 51,353.46 and 20,446.20 is: 28,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.84 : 51,353.46 = 20,446.20 : x
  2. Step 2: Convert to fraction form
    37,212.84/51,353.46 = 20,446.20/x
  3. Step 3: Cross multiply
    37,212.84x = 51,353.46 × 20,446.20
  4. Step 4: Simplify right side
    37,212.84x = 1,049,983,113.85
  5. Step 5: Solve for x
    x = 1,049,983,113.85/37,212.84
  6. Step 6: Final answer
    x = 28,215.61

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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.