Home / 33,787.31-46,627.45-18,680.94

Finding the Fourth Proportional to 33,787.31, 46,627.45 and 18,680.94

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Solution

The fourth proportional to 33,787.31, 46,627.45 and 18,680.94 is: 25,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.31 : 46,627.45 = 18,680.94 : x
  2. Step 2: Convert to fraction form
    33,787.31/46,627.45 = 18,680.94/x
  3. Step 3: Cross multiply
    33,787.31x = 46,627.45 × 18,680.94
  4. Step 4: Simplify right side
    33,787.31x = 871,044,654.18
  5. Step 5: Solve for x
    x = 871,044,654.18/33,787.31
  6. Step 6: Final answer
    x = 25,780.23

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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.