Home / 34,116.10-47,078.34-18,799.64

Finding the Fourth Proportional to 34,116.10, 47,078.34 and 18,799.64

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Solution

The fourth proportional to 34,116.10, 47,078.34 and 18,799.64 is: 25,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,116.10 : 47,078.34 = 18,799.64 : x
  2. Step 2: Convert to fraction form
    34,116.10/47,078.34 = 18,799.64/x
  3. Step 3: Cross multiply
    34,116.10x = 47,078.34 × 18,799.64
  4. Step 4: Simplify right side
    34,116.10x = 885,055,843.80
  5. Step 5: Solve for x
    x = 885,055,843.80/34,116.10
  6. Step 6: Final answer
    x = 25,942.47

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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.