Home / 48,104.23-72,168.50-20,015.86

Finding the Fourth Proportional to 48,104.23, 72,168.50 and 20,015.86

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Solution

The fourth proportional to 48,104.23, 72,168.50 and 20,015.86 is: 30,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,104.23 : 72,168.50 = 20,015.86 : x
  2. Step 2: Convert to fraction form
    48,104.23/72,168.50 = 20,015.86/x
  3. Step 3: Cross multiply
    48,104.23x = 72,168.50 × 20,015.86
  4. Step 4: Simplify right side
    48,104.23x = 1,444,514,592.41
  5. Step 5: Solve for x
    x = 1,444,514,592.41/48,104.23
  6. Step 6: Final answer
    x = 30,028.85

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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.