Home / 40,107.72-55,344.96-22,201.86

Finding the Fourth Proportional to 40,107.72, 55,344.96 and 22,201.86

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Solution

The fourth proportional to 40,107.72, 55,344.96 and 22,201.86 is: 30,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.72 : 55,344.96 = 22,201.86 : x
  2. Step 2: Convert to fraction form
    40,107.72/55,344.96 = 22,201.86/x
  3. Step 3: Cross multiply
    40,107.72x = 55,344.96 × 22,201.86
  4. Step 4: Simplify right side
    40,107.72x = 1,228,761,053.63
  5. Step 5: Solve for x
    x = 1,228,761,053.63/40,107.72
  6. Step 6: Final answer
    x = 30,636.52

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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.