Home / 51,049.32-76,573.95-15,991.71

Finding the Fourth Proportional to 51,049.32, 76,573.95 and 15,991.71

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Solution

The fourth proportional to 51,049.32, 76,573.95 and 15,991.71 is: 23,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.32 : 76,573.95 = 15,991.71 : x
  2. Step 2: Convert to fraction form
    51,049.32/76,573.95 = 15,991.71/x
  3. Step 3: Cross multiply
    51,049.32x = 76,573.95 × 15,991.71
  4. Step 4: Simplify right side
    51,049.32x = 1,224,548,401.95
  5. Step 5: Solve for x
    x = 1,224,548,401.95/51,049.32
  6. Step 6: Final answer
    x = 23,987.56

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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.