Home / 55,496.21-83,244.87-19,982.86

Finding the Fourth Proportional to 55,496.21, 83,244.87 and 19,982.86

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Solution

The fourth proportional to 55,496.21, 83,244.87 and 19,982.86 is: 29,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,496.21 : 83,244.87 = 19,982.86 : x
  2. Step 2: Convert to fraction form
    55,496.21/83,244.87 = 19,982.86/x
  3. Step 3: Cross multiply
    55,496.21x = 83,244.87 × 19,982.86
  4. Step 4: Simplify right side
    55,496.21x = 1,663,470,582.93
  5. Step 5: Solve for x
    x = 1,663,470,582.93/55,496.21
  6. Step 6: Final answer
    x = 29,974.49

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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.