Home / 47,821.59-71,703.23-18,207.79

Finding the Fourth Proportional to 47,821.59, 71,703.23 and 18,207.79

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Solution

The fourth proportional to 47,821.59, 71,703.23 and 18,207.79 is: 27,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.59 : 71,703.23 = 18,207.79 : x
  2. Step 2: Convert to fraction form
    47,821.59/71,703.23 = 18,207.79/x
  3. Step 3: Cross multiply
    47,821.59x = 71,703.23 × 18,207.79
  4. Step 4: Simplify right side
    47,821.59x = 1,305,557,083.86
  5. Step 5: Solve for x
    x = 1,305,557,083.86/47,821.59
  6. Step 6: Final answer
    x = 27,300.58

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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.