Home / 40,205.90-55,481.88-22,299.62

Finding the Fourth Proportional to 40,205.90, 55,481.88 and 22,299.62

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Solution

The fourth proportional to 40,205.90, 55,481.88 and 22,299.62 is: 30,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.90 : 55,481.88 = 22,299.62 : x
  2. Step 2: Convert to fraction form
    40,205.90/55,481.88 = 22,299.62/x
  3. Step 3: Cross multiply
    40,205.90x = 55,481.88 × 22,299.62
  4. Step 4: Simplify right side
    40,205.90x = 1,237,224,840.89
  5. Step 5: Solve for x
    x = 1,237,224,840.89/40,205.90
  6. Step 6: Final answer
    x = 30,772.22

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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.