Home / 40,043.82-55,255.95-22,134.30

Finding the Fourth Proportional to 40,043.82, 55,255.95 and 22,134.30

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Solution

The fourth proportional to 40,043.82, 55,255.95 and 22,134.30 is: 30,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.82 : 55,255.95 = 22,134.30 : x
  2. Step 2: Convert to fraction form
    40,043.82/55,255.95 = 22,134.30/x
  3. Step 3: Cross multiply
    40,043.82x = 55,255.95 × 22,134.30
  4. Step 4: Simplify right side
    40,043.82x = 1,223,051,774.09
  5. Step 5: Solve for x
    x = 1,223,051,774.09/40,043.82
  6. Step 6: Final answer
    x = 30,542.83

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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.