Home / 29,797.98-41,127.75-20,612.44

Finding the Fourth Proportional to 29,797.98, 41,127.75 and 20,612.44

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Solution

The fourth proportional to 29,797.98, 41,127.75 and 20,612.44 is: 28,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,797.98 : 41,127.75 = 20,612.44 : x
  2. Step 2: Convert to fraction form
    29,797.98/41,127.75 = 20,612.44/x
  3. Step 3: Cross multiply
    29,797.98x = 41,127.75 × 20,612.44
  4. Step 4: Simplify right side
    29,797.98x = 847,743,279.21
  5. Step 5: Solve for x
    x = 847,743,279.21/29,797.98
  6. Step 6: Final answer
    x = 28,449.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.