Home / 34,162.38-47,148.20-20,015.23

Finding the Fourth Proportional to 34,162.38, 47,148.20 and 20,015.23

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Solution

The fourth proportional to 34,162.38, 47,148.20 and 20,015.23 is: 27,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,162.38 : 47,148.20 = 20,015.23 : x
  2. Step 2: Convert to fraction form
    34,162.38/47,148.20 = 20,015.23/x
  3. Step 3: Cross multiply
    34,162.38x = 47,148.20 × 20,015.23
  4. Step 4: Simplify right side
    34,162.38x = 943,681,936.29
  5. Step 5: Solve for x
    x = 943,681,936.29/34,162.38
  6. Step 6: Final answer
    x = 27,623.42

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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.