Home / 64,127.18-96,186.20-19,749.30

Finding the Fourth Proportional to 64,127.18, 96,186.20 and 19,749.30

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Solution

The fourth proportional to 64,127.18, 96,186.20 and 19,749.30 is: 29,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,127.18 : 96,186.20 = 19,749.30 : x
  2. Step 2: Convert to fraction form
    64,127.18/96,186.20 = 19,749.30/x
  3. Step 3: Cross multiply
    64,127.18x = 96,186.20 × 19,749.30
  4. Step 4: Simplify right side
    64,127.18x = 1,899,610,119.66
  5. Step 5: Solve for x
    x = 1,899,610,119.66/64,127.18
  6. Step 6: Final answer
    x = 29,622.54

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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.