Home / 34,162.12-47,151.30-21,584.44

Finding the Fourth Proportional to 34,162.12, 47,151.30 and 21,584.44

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Solution

The fourth proportional to 34,162.12, 47,151.30 and 21,584.44 is: 29,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,162.12 : 47,151.30 = 21,584.44 : x
  2. Step 2: Convert to fraction form
    34,162.12/47,151.30 = 21,584.44/x
  3. Step 3: Cross multiply
    34,162.12x = 47,151.30 × 21,584.44
  4. Step 4: Simplify right side
    34,162.12x = 1,017,734,405.77
  5. Step 5: Solve for x
    x = 1,017,734,405.77/34,162.12
  6. Step 6: Final answer
    x = 29,791.31

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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.