Home / 64,122.21-96,193.66-19,748.95

Finding the Fourth Proportional to 64,122.21, 96,193.66 and 19,748.95

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Solution

The fourth proportional to 64,122.21, 96,193.66 and 19,748.95 is: 29,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.21 : 96,193.66 = 19,748.95 : x
  2. Step 2: Convert to fraction form
    64,122.21/96,193.66 = 19,748.95/x
  3. Step 3: Cross multiply
    64,122.21x = 96,193.66 × 19,748.95
  4. Step 4: Simplify right side
    64,122.21x = 1,899,723,587.36
  5. Step 5: Solve for x
    x = 1,899,723,587.36/64,122.21
  6. Step 6: Final answer
    x = 29,626.61

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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.