Home / 51,774.73-77,647.05-20,177.74

Finding the Fourth Proportional to 51,774.73, 77,647.05 and 20,177.74

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Solution

The fourth proportional to 51,774.73, 77,647.05 and 20,177.74 is: 30,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,774.73 : 77,647.05 = 20,177.74 : x
  2. Step 2: Convert to fraction form
    51,774.73/77,647.05 = 20,177.74/x
  3. Step 3: Cross multiply
    51,774.73x = 77,647.05 × 20,177.74
  4. Step 4: Simplify right side
    51,774.73x = 1,566,741,986.67
  5. Step 5: Solve for x
    x = 1,566,741,986.67/51,774.73
  6. Step 6: Final answer
    x = 30,260.75

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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.