Home / 55,305.60-82,958.40-33,187.20

Finding the Fourth Proportional to 55,305.60, 82,958.40 and 33,187.20

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Solution

The fourth proportional to 55,305.60, 82,958.40 and 33,187.20 is: 49,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.60 : 82,958.40 = 33,187.20 : x
  2. Step 2: Convert to fraction form
    55,305.60/82,958.40 = 33,187.20/x
  3. Step 3: Cross multiply
    55,305.60x = 82,958.40 × 33,187.20
  4. Step 4: Simplify right side
    55,305.60x = 2,753,157,012.48
  5. Step 5: Solve for x
    x = 2,753,157,012.48/55,305.60
  6. Step 6: Final answer
    x = 49,780.80

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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.