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Finding the Fourth Proportional to 33,138.32, 45,747.82 and 25,567.64

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Solution

The fourth proportional to 33,138.32, 45,747.82 and 25,567.64 is: 35,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.32 : 45,747.82 = 25,567.64 : x
  2. Step 2: Convert to fraction form
    33,138.32/45,747.82 = 25,567.64/x
  3. Step 3: Cross multiply
    33,138.32x = 45,747.82 × 25,567.64
  4. Step 4: Simplify right side
    33,138.32x = 1,169,663,792.54
  5. Step 5: Solve for x
    x = 1,169,663,792.54/33,138.32
  6. Step 6: Final answer
    x = 35,296.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.