Home / 40,039.64-55,250.48-22,131.76

Finding the Fourth Proportional to 40,039.64, 55,250.48 and 22,131.76

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Solution

The fourth proportional to 40,039.64, 55,250.48 and 22,131.76 is: 30,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.64 : 55,250.48 = 22,131.76 : x
  2. Step 2: Convert to fraction form
    40,039.64/55,250.48 = 22,131.76/x
  3. Step 3: Cross multiply
    40,039.64x = 55,250.48 × 22,131.76
  4. Step 4: Simplify right side
    40,039.64x = 1,222,789,976.33
  5. Step 5: Solve for x
    x = 1,222,789,976.33/40,039.64
  6. Step 6: Final answer
    x = 30,539.48

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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.