Home / 40,043.37-55,256.94-22,138.59

Finding the Fourth Proportional to 40,043.37, 55,256.94 and 22,138.59

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Solution

The fourth proportional to 40,043.37, 55,256.94 and 22,138.59 is: 30,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.37 : 55,256.94 = 22,138.59 : x
  2. Step 2: Convert to fraction form
    40,043.37/55,256.94 = 22,138.59/x
  3. Step 3: Cross multiply
    40,043.37x = 55,256.94 × 22,138.59
  4. Step 4: Simplify right side
    40,043.37x = 1,223,310,739.31
  5. Step 5: Solve for x
    x = 1,223,310,739.31/40,043.37
  6. Step 6: Final answer
    x = 30,549.65

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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.