Home / 64,112.16-96,179.20-19,738

Finding the Fourth Proportional to 64,112.16, 96,179.20 and 19,738

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Solution

The fourth proportional to 64,112.16, 96,179.20 and 19,738 is: 29,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.16 : 96,179.20 = 19,738 : x
  2. Step 2: Convert to fraction form
    64,112.16/96,179.20 = 19,738/x
  3. Step 3: Cross multiply
    64,112.16x = 96,179.20 × 19,738
  4. Step 4: Simplify right side
    64,112.16x = 1,898,385,049.60
  5. Step 5: Solve for x
    x = 1,898,385,049.60/64,112.16
  6. Step 6: Final answer
    x = 29,610.37

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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.