Home / 51,508.81-71,084.79-28,846.48

Finding the Fourth Proportional to 51,508.81, 71,084.79 and 28,846.48

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Solution

The fourth proportional to 51,508.81, 71,084.79 and 28,846.48 is: 39,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,508.81 : 71,084.79 = 28,846.48 : x
  2. Step 2: Convert to fraction form
    51,508.81/71,084.79 = 28,846.48/x
  3. Step 3: Cross multiply
    51,508.81x = 71,084.79 × 28,846.48
  4. Step 4: Simplify right side
    51,508.81x = 2,050,545,928.61
  5. Step 5: Solve for x
    x = 2,050,545,928.61/51,508.81
  6. Step 6: Final answer
    x = 39,809.61

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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.