Home / 33,863.90-46,732.54-20,432.56

Finding the Fourth Proportional to 33,863.90, 46,732.54 and 20,432.56

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Solution

The fourth proportional to 33,863.90, 46,732.54 and 20,432.56 is: 28,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,863.90 : 46,732.54 = 20,432.56 : x
  2. Step 2: Convert to fraction form
    33,863.90/46,732.54 = 20,432.56/x
  3. Step 3: Cross multiply
    33,863.90x = 46,732.54 × 20,432.56
  4. Step 4: Simplify right side
    33,863.90x = 954,865,427.50
  5. Step 5: Solve for x
    x = 954,865,427.50/33,863.90
  6. Step 6: Final answer
    x = 28,197.15

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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.