Home / 34,890.38-48,148.80-18,974.96

Finding the Fourth Proportional to 34,890.38, 48,148.80 and 18,974.96

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Solution

The fourth proportional to 34,890.38, 48,148.80 and 18,974.96 is: 26,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.38 : 48,148.80 = 18,974.96 : x
  2. Step 2: Convert to fraction form
    34,890.38/48,148.80 = 18,974.96/x
  3. Step 3: Cross multiply
    34,890.38x = 48,148.80 × 18,974.96
  4. Step 4: Simplify right side
    34,890.38x = 913,621,554.05
  5. Step 5: Solve for x
    x = 913,621,554.05/34,890.38
  6. Step 6: Final answer
    x = 26,185.49

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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.