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Finding the Fourth Proportional to 43,174.44, 64,761.42 and 13,594.44

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Solution

The fourth proportional to 43,174.44, 64,761.42 and 13,594.44 is: 20,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.44 : 64,761.42 = 13,594.44 : x
  2. Step 2: Convert to fraction form
    43,174.44/64,761.42 = 13,594.44/x
  3. Step 3: Cross multiply
    43,174.44x = 64,761.42 × 13,594.44
  4. Step 4: Simplify right side
    43,174.44x = 880,395,238.50
  5. Step 5: Solve for x
    x = 880,395,238.50/43,174.44
  6. Step 6: Final answer
    x = 20,391.58

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1.5x scale

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.