Home / 45,044.20-67,573.56-13,879.44

Finding the Fourth Proportional to 45,044.20, 67,573.56 and 13,879.44

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Solution

The fourth proportional to 45,044.20, 67,573.56 and 13,879.44 is: 20,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,044.20 : 67,573.56 = 13,879.44 : x
  2. Step 2: Convert to fraction form
    45,044.20/67,573.56 = 13,879.44/x
  3. Step 3: Cross multiply
    45,044.20x = 67,573.56 × 13,879.44
  4. Step 4: Simplify right side
    45,044.20x = 937,883,171.61
  5. Step 5: Solve for x
    x = 937,883,171.61/45,044.20
  6. Step 6: Final answer
    x = 20,821.40

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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.