Home / 40,712.54-61,101.60-20,996.73

Finding the Fourth Proportional to 40,712.54, 61,101.60 and 20,996.73

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Solution

The fourth proportional to 40,712.54, 61,101.60 and 20,996.73 is: 31,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.54 : 61,101.60 = 20,996.73 : x
  2. Step 2: Convert to fraction form
    40,712.54/61,101.60 = 20,996.73/x
  3. Step 3: Cross multiply
    40,712.54x = 61,101.60 × 20,996.73
  4. Step 4: Simplify right side
    40,712.54x = 1,282,933,797.77
  5. Step 5: Solve for x
    x = 1,282,933,797.77/40,712.54
  6. Step 6: Final answer
    x = 31,512.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.