Home / 40,033.64-55,245.83-22,128.26

Finding the Fourth Proportional to 40,033.64, 55,245.83 and 22,128.26

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Solution

The fourth proportional to 40,033.64, 55,245.83 and 22,128.26 is: 30,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,033.64 : 55,245.83 = 22,128.26 : x
  2. Step 2: Convert to fraction form
    40,033.64/55,245.83 = 22,128.26/x
  3. Step 3: Cross multiply
    40,033.64x = 55,245.83 × 22,128.26
  4. Step 4: Simplify right side
    40,033.64x = 1,222,493,827.76
  5. Step 5: Solve for x
    x = 1,222,493,827.76/40,033.64
  6. Step 6: Final answer
    x = 30,536.66

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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.