Home / 72,033.12-108,053.82-19,446.84

Finding the Fourth Proportional to 72,033.12, 108,053.82 and 19,446.84

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Solution

The fourth proportional to 72,033.12, 108,053.82 and 19,446.84 is: 29,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,033.12 : 108,053.82 = 19,446.84 : x
  2. Step 2: Convert to fraction form
    72,033.12/108,053.82 = 19,446.84/x
  3. Step 3: Cross multiply
    72,033.12x = 108,053.82 × 19,446.84
  4. Step 4: Simplify right side
    72,033.12x = 2,101,305,348.93
  5. Step 5: Solve for x
    x = 2,101,305,348.93/72,033.12
  6. Step 6: Final answer
    x = 29,171.38

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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.