Home / 47,954.21-66,175.49-27,809.80

Finding the Fourth Proportional to 47,954.21, 66,175.49 and 27,809.80

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Solution

The fourth proportional to 47,954.21, 66,175.49 and 27,809.80 is: 38,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954.21 : 66,175.49 = 27,809.80 : x
  2. Step 2: Convert to fraction form
    47,954.21/66,175.49 = 27,809.80/x
  3. Step 3: Cross multiply
    47,954.21x = 66,175.49 × 27,809.80
  4. Step 4: Simplify right side
    47,954.21x = 1,840,327,045.89
  5. Step 5: Solve for x
    x = 1,840,327,045.89/47,954.21
  6. Step 6: Final answer
    x = 38,376.76

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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.