Home / 47,710.97-71,556.73-18,118.43

Finding the Fourth Proportional to 47,710.97, 71,556.73 and 18,118.43

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Solution

The fourth proportional to 47,710.97, 71,556.73 and 18,118.43 is: 27,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,710.97 : 71,556.73 = 18,118.43 : x
  2. Step 2: Convert to fraction form
    47,710.97/71,556.73 = 18,118.43/x
  3. Step 3: Cross multiply
    47,710.97x = 71,556.73 × 18,118.43
  4. Step 4: Simplify right side
    47,710.97x = 1,296,495,603.53
  5. Step 5: Solve for x
    x = 1,296,495,603.53/47,710.97
  6. Step 6: Final answer
    x = 27,173.95

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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.