Home / 64,489.02-96,726.24-20,112

Finding the Fourth Proportional to 64,489.02, 96,726.24 and 20,112

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Solution

The fourth proportional to 64,489.02, 96,726.24 and 20,112 is: 30,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,489.02 : 96,726.24 = 20,112 : x
  2. Step 2: Convert to fraction form
    64,489.02/96,726.24 = 20,112/x
  3. Step 3: Cross multiply
    64,489.02x = 96,726.24 × 20,112
  4. Step 4: Simplify right side
    64,489.02x = 1,945,358,138.88
  5. Step 5: Solve for x
    x = 1,945,358,138.88/64,489.02
  6. Step 6: Final answer
    x = 30,165.73

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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.