Home / 51,152.72-76,716.92-19,551.17

Finding the Fourth Proportional to 51,152.72, 76,716.92 and 19,551.17

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Solution

The fourth proportional to 51,152.72, 76,716.92 and 19,551.17 is: 29,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.72 : 76,716.92 = 19,551.17 : x
  2. Step 2: Convert to fraction form
    51,152.72/76,716.92 = 19,551.17/x
  3. Step 3: Cross multiply
    51,152.72x = 76,716.92 × 19,551.17
  4. Step 4: Simplify right side
    51,152.72x = 1,499,905,785.47
  5. Step 5: Solve for x
    x = 1,499,905,785.47/51,152.72
  6. Step 6: Final answer
    x = 29,322.11

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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.