Home / 62,679.24-94,027.50-21,138.12

Finding the Fourth Proportional to 62,679.24, 94,027.50 and 21,138.12

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Solution

The fourth proportional to 62,679.24, 94,027.50 and 21,138.12 is: 31,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.24 : 94,027.50 = 21,138.12 : x
  2. Step 2: Convert to fraction form
    62,679.24/94,027.50 = 21,138.12/x
  3. Step 3: Cross multiply
    62,679.24x = 94,027.50 × 21,138.12
  4. Step 4: Simplify right side
    62,679.24x = 1,987,564,578.30
  5. Step 5: Solve for x
    x = 1,987,564,578.30/62,679.24
  6. Step 6: Final answer
    x = 31,710.09

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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.