Home / 45,084.83-67,638.78-26,380.60

Finding the Fourth Proportional to 45,084.83, 67,638.78 and 26,380.60

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Solution

The fourth proportional to 45,084.83, 67,638.78 and 26,380.60 is: 39,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084.83 : 67,638.78 = 26,380.60 : x
  2. Step 2: Convert to fraction form
    45,084.83/67,638.78 = 26,380.60/x
  3. Step 3: Cross multiply
    45,084.83x = 67,638.78 × 26,380.60
  4. Step 4: Simplify right side
    45,084.83x = 1,784,351,850.99
  5. Step 5: Solve for x
    x = 1,784,351,850.99/45,084.83
  6. Step 6: Final answer
    x = 39,577.65

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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.