Home / 47,977.11-66,213.25-27,838.49

Finding the Fourth Proportional to 47,977.11, 66,213.25 and 27,838.49

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Solution

The fourth proportional to 47,977.11, 66,213.25 and 27,838.49 is: 38,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.11 : 66,213.25 = 27,838.49 : x
  2. Step 2: Convert to fraction form
    47,977.11/66,213.25 = 27,838.49/x
  3. Step 3: Cross multiply
    47,977.11x = 66,213.25 × 27,838.49
  4. Step 4: Simplify right side
    47,977.11x = 1,843,276,497.33
  5. Step 5: Solve for x
    x = 1,843,276,497.33/47,977.11
  6. Step 6: Final answer
    x = 38,419.92

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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.