Home / 55,248.15-82,884.23-20,187.75

Finding the Fourth Proportional to 55,248.15, 82,884.23 and 20,187.75

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Solution

The fourth proportional to 55,248.15, 82,884.23 and 20,187.75 is: 30,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248.15 : 82,884.23 = 20,187.75 : x
  2. Step 2: Convert to fraction form
    55,248.15/82,884.23 = 20,187.75/x
  3. Step 3: Cross multiply
    55,248.15x = 82,884.23 × 20,187.75
  4. Step 4: Simplify right side
    55,248.15x = 1,673,246,114.18
  5. Step 5: Solve for x
    x = 1,673,246,114.18/55,248.15
  6. Step 6: Final answer
    x = 30,286.01

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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.