Home / 30,209.10-41,865.18-29,786.28

Finding the Fourth Proportional to 30,209.10, 41,865.18 and 29,786.28

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Solution

The fourth proportional to 30,209.10, 41,865.18 and 29,786.28 is: 41,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.10 : 41,865.18 = 29,786.28 : x
  2. Step 2: Convert to fraction form
    30,209.10/41,865.18 = 29,786.28/x
  3. Step 3: Cross multiply
    30,209.10x = 41,865.18 × 29,786.28
  4. Step 4: Simplify right side
    30,209.10x = 1,247,007,973.73
  5. Step 5: Solve for x
    x = 1,247,007,973.73/30,209.10
  6. Step 6: Final answer
    x = 41,279.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.