Home / 51,303.57-76,963.45-19,712.37

Finding the Fourth Proportional to 51,303.57, 76,963.45 and 19,712.37

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Solution

The fourth proportional to 51,303.57, 76,963.45 and 19,712.37 is: 29,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.57 : 76,963.45 = 19,712.37 : x
  2. Step 2: Convert to fraction form
    51,303.57/76,963.45 = 19,712.37/x
  3. Step 3: Cross multiply
    51,303.57x = 76,963.45 × 19,712.37
  4. Step 4: Simplify right side
    51,303.57x = 1,517,132,002.88
  5. Step 5: Solve for x
    x = 1,517,132,002.88/51,303.57
  6. Step 6: Final answer
    x = 29,571.67

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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.