Home / 64,451.57-96,677.36-20,081.91

Finding the Fourth Proportional to 64,451.57, 96,677.36 and 20,081.91

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Solution

The fourth proportional to 64,451.57, 96,677.36 and 20,081.91 is: 30,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,451.57 : 96,677.36 = 20,081.91 : x
  2. Step 2: Convert to fraction form
    64,451.57/96,677.36 = 20,081.91/x
  3. Step 3: Cross multiply
    64,451.57x = 96,677.36 × 20,081.91
  4. Step 4: Simplify right side
    64,451.57x = 1,941,465,942.15
  5. Step 5: Solve for x
    x = 1,941,465,942.15/64,451.57
  6. Step 6: Final answer
    x = 30,122.87

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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.