Home / 51,063.20-76,599.48-21,475.52

Finding the Fourth Proportional to 51,063.20, 76,599.48 and 21,475.52

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Solution

The fourth proportional to 51,063.20, 76,599.48 and 21,475.52 is: 32,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,063.20 : 76,599.48 = 21,475.52 : x
  2. Step 2: Convert to fraction form
    51,063.20/76,599.48 = 21,475.52/x
  3. Step 3: Cross multiply
    51,063.20x = 76,599.48 × 21,475.52
  4. Step 4: Simplify right side
    51,063.20x = 1,645,013,664.73
  5. Step 5: Solve for x
    x = 1,645,013,664.73/51,063.20
  6. Step 6: Final answer
    x = 32,215.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.