Home / 33,181.45-45,787.08-20,432.59

Finding the Fourth Proportional to 33,181.45, 45,787.08 and 20,432.59

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Solution

The fourth proportional to 33,181.45, 45,787.08 and 20,432.59 is: 28,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.45 : 45,787.08 = 20,432.59 : x
  2. Step 2: Convert to fraction form
    33,181.45/45,787.08 = 20,432.59/x
  3. Step 3: Cross multiply
    33,181.45x = 45,787.08 × 20,432.59
  4. Step 4: Simplify right side
    33,181.45x = 935,548,632.94
  5. Step 5: Solve for x
    x = 935,548,632.94/33,181.45
  6. Step 6: Final answer
    x = 28,194.93

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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.