Home / 50,651.37-69,899.65-27,990.89

Finding the Fourth Proportional to 50,651.37, 69,899.65 and 27,990.89

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Solution

The fourth proportional to 50,651.37, 69,899.65 and 27,990.89 is: 38,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.37 : 69,899.65 = 27,990.89 : x
  2. Step 2: Convert to fraction form
    50,651.37/69,899.65 = 27,990.89/x
  3. Step 3: Cross multiply
    50,651.37x = 69,899.65 × 27,990.89
  4. Step 4: Simplify right side
    50,651.37x = 1,956,553,256.84
  5. Step 5: Solve for x
    x = 1,956,553,256.84/50,651.37
  6. Step 6: Final answer
    x = 38,627.84

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Similar ratio
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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.