Home / 49,791.48-74,700.53-21,713.81

Finding the Fourth Proportional to 49,791.48, 74,700.53 and 21,713.81

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Solution

The fourth proportional to 49,791.48, 74,700.53 and 21,713.81 is: 32,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791.48 : 74,700.53 = 21,713.81 : x
  2. Step 2: Convert to fraction form
    49,791.48/74,700.53 = 21,713.81/x
  3. Step 3: Cross multiply
    49,791.48x = 74,700.53 × 21,713.81
  4. Step 4: Simplify right side
    49,791.48x = 1,622,032,714.67
  5. Step 5: Solve for x
    x = 1,622,032,714.67/49,791.48
  6. Step 6: Final answer
    x = 32,576.51

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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.