Home / 49,519.48-74,301.90-21,448.12

Finding the Fourth Proportional to 49,519.48, 74,301.90 and 21,448.12

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Solution

The fourth proportional to 49,519.48, 74,301.90 and 21,448.12 is: 32,182.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.48 : 74,301.90 = 21,448.12 : x
  2. Step 2: Convert to fraction form
    49,519.48/74,301.90 = 21,448.12/x
  3. Step 3: Cross multiply
    49,519.48x = 74,301.90 × 21,448.12
  4. Step 4: Simplify right side
    49,519.48x = 1,593,636,067.43
  5. Step 5: Solve for x
    x = 1,593,636,067.43/49,519.48
  6. Step 6: Final answer
    x = 32,182.00

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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.