Home / 72,367.22-108,553.87-19,776.55

Finding the Fourth Proportional to 72,367.22, 108,553.87 and 19,776.55

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Solution

The fourth proportional to 72,367.22, 108,553.87 and 19,776.55 is: 29,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,367.22 : 108,553.87 = 19,776.55 : x
  2. Step 2: Convert to fraction form
    72,367.22/108,553.87 = 19,776.55/x
  3. Step 3: Cross multiply
    72,367.22x = 108,553.87 × 19,776.55
  4. Step 4: Simplify right side
    72,367.22x = 2,146,821,037.75
  5. Step 5: Solve for x
    x = 2,146,821,037.75/72,367.22
  6. Step 6: Final answer
    x = 29,665.66

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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.