Home / 51,311.54-76,966.79-16,251.21

Finding the Fourth Proportional to 51,311.54, 76,966.79 and 16,251.21

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Solution

The fourth proportional to 51,311.54, 76,966.79 and 16,251.21 is: 24,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.54 : 76,966.79 = 16,251.21 : x
  2. Step 2: Convert to fraction form
    51,311.54/76,966.79 = 16,251.21/x
  3. Step 3: Cross multiply
    51,311.54x = 76,966.79 × 16,251.21
  4. Step 4: Simplify right side
    51,311.54x = 1,250,803,386.06
  5. Step 5: Solve for x
    x = 1,250,803,386.06/51,311.54
  6. Step 6: Final answer
    x = 24,376.65

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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.