Home / 40,405.28-55,750.82-23,408.51

Finding the Fourth Proportional to 40,405.28, 55,750.82 and 23,408.51

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Solution

The fourth proportional to 40,405.28, 55,750.82 and 23,408.51 is: 32,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.28 : 55,750.82 = 23,408.51 : x
  2. Step 2: Convert to fraction form
    40,405.28/55,750.82 = 23,408.51/x
  3. Step 3: Cross multiply
    40,405.28x = 55,750.82 × 23,408.51
  4. Step 4: Simplify right side
    40,405.28x = 1,305,043,231.68
  5. Step 5: Solve for x
    x = 1,305,043,231.68/40,405.28
  6. Step 6: Final answer
    x = 32,298.83

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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.