Home / 29,170.20-43,787.70-18,089.40

Finding the Fourth Proportional to 29,170.20, 43,787.70 and 18,089.40

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Solution

The fourth proportional to 29,170.20, 43,787.70 and 18,089.40 is: 27,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.20 : 43,787.70 = 18,089.40 : x
  2. Step 2: Convert to fraction form
    29,170.20/43,787.70 = 18,089.40/x
  3. Step 3: Cross multiply
    29,170.20x = 43,787.70 × 18,089.40
  4. Step 4: Simplify right side
    29,170.20x = 792,093,220.38
  5. Step 5: Solve for x
    x = 792,093,220.38/29,170.20
  6. Step 6: Final answer
    x = 27,154.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.