Home / 49,344.64-74,024.73-21,272.68

Finding the Fourth Proportional to 49,344.64, 74,024.73 and 21,272.68

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Solution

The fourth proportional to 49,344.64, 74,024.73 and 21,272.68 is: 31,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,344.64 : 74,024.73 = 21,272.68 : x
  2. Step 2: Convert to fraction form
    49,344.64/74,024.73 = 21,272.68/x
  3. Step 3: Cross multiply
    49,344.64x = 74,024.73 × 21,272.68
  4. Step 4: Simplify right side
    49,344.64x = 1,574,704,393.38
  5. Step 5: Solve for x
    x = 1,574,704,393.38/49,344.64
  6. Step 6: Final answer
    x = 31,912.37

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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.