Home / 42,533.05-63,791.15-21,467.68

Finding the Fourth Proportional to 42,533.05, 63,791.15 and 21,467.68

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Solution

The fourth proportional to 42,533.05, 63,791.15 and 21,467.68 is: 32,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,533.05 : 63,791.15 = 21,467.68 : x
  2. Step 2: Convert to fraction form
    42,533.05/63,791.15 = 21,467.68/x
  3. Step 3: Cross multiply
    42,533.05x = 63,791.15 × 21,467.68
  4. Step 4: Simplify right side
    42,533.05x = 1,369,448,087.04
  5. Step 5: Solve for x
    x = 1,369,448,087.04/42,533.05
  6. Step 6: Final answer
    x = 32,197.27

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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.