Home / 72,219.58-108,289.68-22,286.06

Finding the Fourth Proportional to 72,219.58, 108,289.68 and 22,286.06

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Solution

The fourth proportional to 72,219.58, 108,289.68 and 22,286.06 is: 33,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,219.58 : 108,289.68 = 22,286.06 : x
  2. Step 2: Convert to fraction form
    72,219.58/108,289.68 = 22,286.06/x
  3. Step 3: Cross multiply
    72,219.58x = 108,289.68 × 22,286.06
  4. Step 4: Simplify right side
    72,219.58x = 2,413,350,305.86
  5. Step 5: Solve for x
    x = 2,413,350,305.86/72,219.58
  6. Step 6: Final answer
    x = 33,416.84

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1.5x scale

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.