Home / 51,805.44-77,699.93-18,519.30

Finding the Fourth Proportional to 51,805.44, 77,699.93 and 18,519.30

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Solution

The fourth proportional to 51,805.44, 77,699.93 and 18,519.30 is: 27,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.44 : 77,699.93 = 18,519.30 : x
  2. Step 2: Convert to fraction form
    51,805.44/77,699.93 = 18,519.30/x
  3. Step 3: Cross multiply
    51,805.44x = 77,699.93 × 18,519.30
  4. Step 4: Simplify right side
    51,805.44x = 1,438,948,221.05
  5. Step 5: Solve for x
    x = 1,438,948,221.05/51,805.44
  6. Step 6: Final answer
    x = 27,776.01

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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.