Home / 40,403.28-55,761.42-23,181.95

Finding the Fourth Proportional to 40,403.28, 55,761.42 and 23,181.95

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Solution

The fourth proportional to 40,403.28, 55,761.42 and 23,181.95 is: 31,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.28 : 55,761.42 = 23,181.95 : x
  2. Step 2: Convert to fraction form
    40,403.28/55,761.42 = 23,181.95/x
  3. Step 3: Cross multiply
    40,403.28x = 55,761.42 × 23,181.95
  4. Step 4: Simplify right side
    40,403.28x = 1,292,658,450.37
  5. Step 5: Solve for x
    x = 1,292,658,450.37/40,403.28
  6. Step 6: Final answer
    x = 31,993.90

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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.