Home / 47,942.38-66,163.35-26,721.60

Finding the Fourth Proportional to 47,942.38, 66,163.35 and 26,721.60

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Solution

The fourth proportional to 47,942.38, 66,163.35 and 26,721.60 is: 36,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.38 : 66,163.35 = 26,721.60 : x
  2. Step 2: Convert to fraction form
    47,942.38/66,163.35 = 26,721.60/x
  3. Step 3: Cross multiply
    47,942.38x = 66,163.35 × 26,721.60
  4. Step 4: Simplify right side
    47,942.38x = 1,767,990,573.36
  5. Step 5: Solve for x
    x = 1,767,990,573.36/47,942.38
  6. Step 6: Final answer
    x = 36,877.41

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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.