Home / 34,540.36-47,662.31-19,432.69

Finding the Fourth Proportional to 34,540.36, 47,662.31 and 19,432.69

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Solution

The fourth proportional to 34,540.36, 47,662.31 and 19,432.69 is: 26,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.36 : 47,662.31 = 19,432.69 : x
  2. Step 2: Convert to fraction form
    34,540.36/47,662.31 = 19,432.69/x
  3. Step 3: Cross multiply
    34,540.36x = 47,662.31 × 19,432.69
  4. Step 4: Simplify right side
    34,540.36x = 926,206,824.34
  5. Step 5: Solve for x
    x = 926,206,824.34/34,540.36
  6. Step 6: Final answer
    x = 26,815.21

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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.