Home / 49,403.88-74,052.68-21,337.13

Finding the Fourth Proportional to 49,403.88, 74,052.68 and 21,337.13

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Solution

The fourth proportional to 49,403.88, 74,052.68 and 21,337.13 is: 31,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.88 : 74,052.68 = 21,337.13 : x
  2. Step 2: Convert to fraction form
    49,403.88/74,052.68 = 21,337.13/x
  3. Step 3: Cross multiply
    49,403.88x = 74,052.68 × 21,337.13
  4. Step 4: Simplify right side
    49,403.88x = 1,580,071,738.45
  5. Step 5: Solve for x
    x = 1,580,071,738.45/49,403.88
  6. Step 6: Final answer
    x = 31,982.75

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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.