Home / 51,388.88-77,083.60-15,849.76

Finding the Fourth Proportional to 51,388.88, 77,083.60 and 15,849.76

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Solution

The fourth proportional to 51,388.88, 77,083.60 and 15,849.76 is: 23,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,388.88 : 77,083.60 = 15,849.76 : x
  2. Step 2: Convert to fraction form
    51,388.88/77,083.60 = 15,849.76/x
  3. Step 3: Cross multiply
    51,388.88x = 77,083.60 × 15,849.76
  4. Step 4: Simplify right side
    51,388.88x = 1,221,756,559.94
  5. Step 5: Solve for x
    x = 1,221,756,559.94/51,388.88
  6. Step 6: Final answer
    x = 23,774.73

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1.5x scale

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.