Home / 47,865.11-66,049.07-27,728.47

Finding the Fourth Proportional to 47,865.11, 66,049.07 and 27,728.47

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Solution

The fourth proportional to 47,865.11, 66,049.07 and 27,728.47 is: 38,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865.11 : 66,049.07 = 27,728.47 : x
  2. Step 2: Convert to fraction form
    47,865.11/66,049.07 = 27,728.47/x
  3. Step 3: Cross multiply
    47,865.11x = 66,049.07 × 27,728.47
  4. Step 4: Simplify right side
    47,865.11x = 1,831,439,560.22
  5. Step 5: Solve for x
    x = 1,831,439,560.22/47,865.11
  6. Step 6: Final answer
    x = 38,262.52

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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.