Home / 29,857.70-41,200.17-20,440.10

Finding the Fourth Proportional to 29,857.70, 41,200.17 and 20,440.10

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Solution

The fourth proportional to 29,857.70, 41,200.17 and 20,440.10 is: 28,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,857.70 : 41,200.17 = 20,440.10 : x
  2. Step 2: Convert to fraction form
    29,857.70/41,200.17 = 20,440.10/x
  3. Step 3: Cross multiply
    29,857.70x = 41,200.17 × 20,440.10
  4. Step 4: Simplify right side
    29,857.70x = 842,135,594.82
  5. Step 5: Solve for x
    x = 842,135,594.82/29,857.70
  6. Step 6: Final answer
    x = 28,204.97

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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.