Home / 51,975.05-77,977.76-18,694.44

Finding the Fourth Proportional to 51,975.05, 77,977.76 and 18,694.44

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Solution

The fourth proportional to 51,975.05, 77,977.76 and 18,694.44 is: 28,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.05 : 77,977.76 = 18,694.44 : x
  2. Step 2: Convert to fraction form
    51,975.05/77,977.76 = 18,694.44/x
  3. Step 3: Cross multiply
    51,975.05x = 77,977.76 × 18,694.44
  4. Step 4: Simplify right side
    51,975.05x = 1,457,750,462.18
  5. Step 5: Solve for x
    x = 1,457,750,462.18/51,975.05
  6. Step 6: Final answer
    x = 28,047.12

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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.