Home / 47,912.52-66,114.24-27,775.72

Finding the Fourth Proportional to 47,912.52, 66,114.24 and 27,775.72

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Solution

The fourth proportional to 47,912.52, 66,114.24 and 27,775.72 is: 38,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.52 : 66,114.24 = 27,775.72 : x
  2. Step 2: Convert to fraction form
    47,912.52/66,114.24 = 27,775.72/x
  3. Step 3: Cross multiply
    47,912.52x = 66,114.24 × 27,775.72
  4. Step 4: Simplify right side
    47,912.52x = 1,836,370,618.25
  5. Step 5: Solve for x
    x = 1,836,370,618.25/47,912.52
  6. Step 6: Final answer
    x = 38,327.57

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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.