Home / 45,780.20-68,735.10-35,930.60

Finding the Fourth Proportional to 45,780.20, 68,735.10 and 35,930.60

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Solution

The fourth proportional to 45,780.20, 68,735.10 and 35,930.60 is: 53,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,780.20 : 68,735.10 = 35,930.60 : x
  2. Step 2: Convert to fraction form
    45,780.20/68,735.10 = 35,930.60/x
  3. Step 3: Cross multiply
    45,780.20x = 68,735.10 × 35,930.60
  4. Step 4: Simplify right side
    45,780.20x = 2,469,693,384.06
  5. Step 5: Solve for x
    x = 2,469,693,384.06/45,780.20
  6. Step 6: Final answer
    x = 53,946.76

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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.