Home / 55,274.60-82,902.30-20,196.20

Finding the Fourth Proportional to 55,274.60, 82,902.30 and 20,196.20

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Solution

The fourth proportional to 55,274.60, 82,902.30 and 20,196.20 is: 30,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.60 : 82,902.30 = 20,196.20 : x
  2. Step 2: Convert to fraction form
    55,274.60/82,902.30 = 20,196.20/x
  3. Step 3: Cross multiply
    55,274.60x = 82,902.30 × 20,196.20
  4. Step 4: Simplify right side
    55,274.60x = 1,674,311,431.26
  5. Step 5: Solve for x
    x = 1,674,311,431.26/55,274.60
  6. Step 6: Final answer
    x = 30,290.79

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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.