Home / 30,108.30-41,556.42-20,037.18

Finding the Fourth Proportional to 30,108.30, 41,556.42 and 20,037.18

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Solution

The fourth proportional to 30,108.30, 41,556.42 and 20,037.18 is: 27,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.30 : 41,556.42 = 20,037.18 : x
  2. Step 2: Convert to fraction form
    30,108.30/41,556.42 = 20,037.18/x
  3. Step 3: Cross multiply
    30,108.30x = 41,556.42 × 20,037.18
  4. Step 4: Simplify right side
    30,108.30x = 832,673,467.70
  5. Step 5: Solve for x
    x = 832,673,467.70/30,108.30
  6. Step 6: Final answer
    x = 27,655.94

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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.