Home / 64,460.86-96,691.31-20,091.19

Finding the Fourth Proportional to 64,460.86, 96,691.31 and 20,091.19

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Solution

The fourth proportional to 64,460.86, 96,691.31 and 20,091.19 is: 30,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,460.86 : 96,691.31 = 20,091.19 : x
  2. Step 2: Convert to fraction form
    64,460.86/96,691.31 = 20,091.19/x
  3. Step 3: Cross multiply
    64,460.86x = 96,691.31 × 20,091.19
  4. Step 4: Simplify right side
    64,460.86x = 1,942,642,997.10
  5. Step 5: Solve for x
    x = 1,942,642,997.10/64,460.86
  6. Step 6: Final answer
    x = 30,136.79

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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.