Home / 47,942.17-66,158.39-27,799.90

Finding the Fourth Proportional to 47,942.17, 66,158.39 and 27,799.90

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Solution

The fourth proportional to 47,942.17, 66,158.39 and 27,799.90 is: 38,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.17 : 66,158.39 = 27,799.90 : x
  2. Step 2: Convert to fraction form
    47,942.17/66,158.39 = 27,799.90/x
  3. Step 3: Cross multiply
    47,942.17x = 66,158.39 × 27,799.90
  4. Step 4: Simplify right side
    47,942.17x = 1,839,196,626.16
  5. Step 5: Solve for x
    x = 1,839,196,626.16/47,942.17
  6. Step 6: Final answer
    x = 38,362.82

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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.