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Finding the Fourth Proportional to 33,787.76, 46,627.11 and 18,883.76

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Solution

The fourth proportional to 33,787.76, 46,627.11 and 18,883.76 is: 26,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.76 : 46,627.11 = 18,883.76 : x
  2. Step 2: Convert to fraction form
    33,787.76/46,627.11 = 18,883.76/x
  3. Step 3: Cross multiply
    33,787.76x = 46,627.11 × 18,883.76
  4. Step 4: Simplify right side
    33,787.76x = 880,495,154.73
  5. Step 5: Solve for x
    x = 880,495,154.73/33,787.76
  6. Step 6: Final answer
    x = 26,059.59

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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.