Home / 48,284.24-72,402.62-20,195.86

Finding the Fourth Proportional to 48,284.24, 72,402.62 and 20,195.86

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Solution

The fourth proportional to 48,284.24, 72,402.62 and 20,195.86 is: 30,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284.24 : 72,402.62 = 20,195.86 : x
  2. Step 2: Convert to fraction form
    48,284.24/72,402.62 = 20,195.86/x
  3. Step 3: Cross multiply
    48,284.24x = 72,402.62 × 20,195.86
  4. Step 4: Simplify right side
    48,284.24x = 1,462,233,177.15
  5. Step 5: Solve for x
    x = 1,462,233,177.15/48,284.24
  6. Step 6: Final answer
    x = 30,283.86

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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.