Home / 34,059.52-47,003.79-19,720.90

Finding the Fourth Proportional to 34,059.52, 47,003.79 and 19,720.90

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Solution

The fourth proportional to 34,059.52, 47,003.79 and 19,720.90 is: 27,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,059.52 : 47,003.79 = 19,720.90 : x
  2. Step 2: Convert to fraction form
    34,059.52/47,003.79 = 19,720.90/x
  3. Step 3: Cross multiply
    34,059.52x = 47,003.79 × 19,720.90
  4. Step 4: Simplify right side
    34,059.52x = 926,957,042.21
  5. Step 5: Solve for x
    x = 926,957,042.21/34,059.52
  6. Step 6: Final answer
    x = 27,215.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.