Home / 51,595.09-77,389.38-18,310.75

Finding the Fourth Proportional to 51,595.09, 77,389.38 and 18,310.75

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Solution

The fourth proportional to 51,595.09, 77,389.38 and 18,310.75 is: 27,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,595.09 : 77,389.38 = 18,310.75 : x
  2. Step 2: Convert to fraction form
    51,595.09/77,389.38 = 18,310.75/x
  3. Step 3: Cross multiply
    51,595.09x = 77,389.38 × 18,310.75
  4. Step 4: Simplify right side
    51,595.09x = 1,417,057,589.84
  5. Step 5: Solve for x
    x = 1,417,057,589.84/51,595.09
  6. Step 6: Final answer
    x = 27,464.97

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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.