Home / 72,447.74-108,659.94-19,844.93

Finding the Fourth Proportional to 72,447.74, 108,659.94 and 19,844.93

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Solution

The fourth proportional to 72,447.74, 108,659.94 and 19,844.93 is: 29,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,447.74 : 108,659.94 = 19,844.93 : x
  2. Step 2: Convert to fraction form
    72,447.74/108,659.94 = 19,844.93/x
  3. Step 3: Cross multiply
    72,447.74x = 108,659.94 × 19,844.93
  4. Step 4: Simplify right side
    72,447.74x = 2,156,348,359.80
  5. Step 5: Solve for x
    x = 2,156,348,359.80/72,447.74
  6. Step 6: Final answer
    x = 29,764.19

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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.