Home / 51,184.74-76,758.75-19,603.68

Finding the Fourth Proportional to 51,184.74, 76,758.75 and 19,603.68

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Solution

The fourth proportional to 51,184.74, 76,758.75 and 19,603.68 is: 29,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184.74 : 76,758.75 = 19,603.68 : x
  2. Step 2: Convert to fraction form
    51,184.74/76,758.75 = 19,603.68/x
  3. Step 3: Cross multiply
    51,184.74x = 76,758.75 × 19,603.68
  4. Step 4: Simplify right side
    51,184.74x = 1,504,753,972.20
  5. Step 5: Solve for x
    x = 1,504,753,972.20/51,184.74
  6. Step 6: Final answer
    x = 29,398.49

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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.