Home / 55,250.15-82,887.23-20,189.75

Finding the Fourth Proportional to 55,250.15, 82,887.23 and 20,189.75

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Solution

The fourth proportional to 55,250.15, 82,887.23 and 20,189.75 is: 30,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.15 : 82,887.23 = 20,189.75 : x
  2. Step 2: Convert to fraction form
    55,250.15/82,887.23 = 20,189.75/x
  3. Step 3: Cross multiply
    55,250.15x = 82,887.23 × 20,189.75
  4. Step 4: Simplify right side
    55,250.15x = 1,673,472,451.89
  5. Step 5: Solve for x
    x = 1,673,472,451.89/55,250.15
  6. Step 6: Final answer
    x = 30,289.01

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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.