Home / 51,200.76-76,748.34-19,603.38

Finding the Fourth Proportional to 51,200.76, 76,748.34 and 19,603.38

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Solution

The fourth proportional to 51,200.76, 76,748.34 and 19,603.38 is: 29,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.76 : 76,748.34 = 19,603.38 : x
  2. Step 2: Convert to fraction form
    51,200.76/76,748.34 = 19,603.38/x
  3. Step 3: Cross multiply
    51,200.76x = 76,748.34 × 19,603.38
  4. Step 4: Simplify right side
    51,200.76x = 1,504,526,873.39
  5. Step 5: Solve for x
    x = 1,504,526,873.39/51,200.76
  6. Step 6: Final answer
    x = 29,384.85

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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.