Home / 55,214.40-82,821.60-20,167.73

Finding the Fourth Proportional to 55,214.40, 82,821.60 and 20,167.73

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Solution

The fourth proportional to 55,214.40, 82,821.60 and 20,167.73 is: 30,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,214.40 : 82,821.60 = 20,167.73 : x
  2. Step 2: Convert to fraction form
    55,214.40/82,821.60 = 20,167.73/x
  3. Step 3: Cross multiply
    55,214.40x = 82,821.60 × 20,167.73
  4. Step 4: Simplify right side
    55,214.40x = 1,670,323,666.97
  5. Step 5: Solve for x
    x = 1,670,323,666.97/55,214.40
  6. Step 6: Final answer
    x = 30,251.60

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Similar ratio
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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.