Home / 55,250.44-82,888.04-20,189.20

Finding the Fourth Proportional to 55,250.44, 82,888.04 and 20,189.20

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Solution

The fourth proportional to 55,250.44, 82,888.04 and 20,189.20 is: 30,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.44 : 82,888.04 = 20,189.20 : x
  2. Step 2: Convert to fraction form
    55,250.44/82,888.04 = 20,189.20/x
  3. Step 3: Cross multiply
    55,250.44x = 82,888.04 × 20,189.20
  4. Step 4: Simplify right side
    55,250.44x = 1,673,443,217.17
  5. Step 5: Solve for x
    x = 1,673,443,217.17/55,250.44
  6. Step 6: Final answer
    x = 30,288.32

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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.