Home / 45,782.20-68,711.70-22,428.60

Finding the Fourth Proportional to 45,782.20, 68,711.70 and 22,428.60

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Solution

The fourth proportional to 45,782.20, 68,711.70 and 22,428.60 is: 33,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.20 : 68,711.70 = 22,428.60 : x
  2. Step 2: Convert to fraction form
    45,782.20/68,711.70 = 22,428.60/x
  3. Step 3: Cross multiply
    45,782.20x = 68,711.70 × 22,428.60
  4. Step 4: Simplify right side
    45,782.20x = 1,541,107,234.62
  5. Step 5: Solve for x
    x = 1,541,107,234.62/45,782.20
  6. Step 6: Final answer
    x = 33,661.71

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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.