Home / 45,629.80-68,444.70-28,042.60

Finding the Fourth Proportional to 45,629.80, 68,444.70 and 28,042.60

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Solution

The fourth proportional to 45,629.80, 68,444.70 and 28,042.60 is: 42,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.80 : 68,444.70 = 28,042.60 : x
  2. Step 2: Convert to fraction form
    45,629.80/68,444.70 = 28,042.60/x
  3. Step 3: Cross multiply
    45,629.80x = 68,444.70 × 28,042.60
  4. Step 4: Simplify right side
    45,629.80x = 1,919,367,344.22
  5. Step 5: Solve for x
    x = 1,919,367,344.22/45,629.80
  6. Step 6: Final answer
    x = 42,063.90

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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.