Home / 51,790.56-77,685.89-22,189.20

Finding the Fourth Proportional to 51,790.56, 77,685.89 and 22,189.20

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Solution

The fourth proportional to 51,790.56, 77,685.89 and 22,189.20 is: 33,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.56 : 77,685.89 = 22,189.20 : x
  2. Step 2: Convert to fraction form
    51,790.56/77,685.89 = 22,189.20/x
  3. Step 3: Cross multiply
    51,790.56x = 77,685.89 × 22,189.20
  4. Step 4: Simplify right side
    51,790.56x = 1,723,787,639.44
  5. Step 5: Solve for x
    x = 1,723,787,639.44/51,790.56
  6. Step 6: Final answer
    x = 33,283.82

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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.