Home / 40,171.77-55,440.36-22,272.39

Finding the Fourth Proportional to 40,171.77, 55,440.36 and 22,272.39

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Solution

The fourth proportional to 40,171.77, 55,440.36 and 22,272.39 is: 30,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.77 : 55,440.36 = 22,272.39 : x
  2. Step 2: Convert to fraction form
    40,171.77/55,440.36 = 22,272.39/x
  3. Step 3: Cross multiply
    40,171.77x = 55,440.36 × 22,272.39
  4. Step 4: Simplify right side
    40,171.77x = 1,234,789,319.66
  5. Step 5: Solve for x
    x = 1,234,789,319.66/40,171.77
  6. Step 6: Final answer
    x = 30,737.74

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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.