Home / 49,899.24-74,822.13-20,301.84

Finding the Fourth Proportional to 49,899.24, 74,822.13 and 20,301.84

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Solution

The fourth proportional to 49,899.24, 74,822.13 and 20,301.84 is: 30,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,899.24 : 74,822.13 = 20,301.84 : x
  2. Step 2: Convert to fraction form
    49,899.24/74,822.13 = 20,301.84/x
  3. Step 3: Cross multiply
    49,899.24x = 74,822.13 × 20,301.84
  4. Step 4: Simplify right side
    49,899.24x = 1,519,026,911.72
  5. Step 5: Solve for x
    x = 1,519,026,911.72/49,899.24
  6. Step 6: Final answer
    x = 30,441.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.