Home / 47,967.87-66,179.54-27,817.40

Finding the Fourth Proportional to 47,967.87, 66,179.54 and 27,817.40

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Solution

The fourth proportional to 47,967.87, 66,179.54 and 27,817.40 is: 38,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,967.87 : 66,179.54 = 27,817.40 : x
  2. Step 2: Convert to fraction form
    47,967.87/66,179.54 = 27,817.40/x
  3. Step 3: Cross multiply
    47,967.87x = 66,179.54 × 27,817.40
  4. Step 4: Simplify right side
    47,967.87x = 1,840,942,736.00
  5. Step 5: Solve for x
    x = 1,840,942,736.00/47,967.87
  6. Step 6: Final answer
    x = 38,378.66

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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.