Home / 55,212.40-82,818.60-20,165.73

Finding the Fourth Proportional to 55,212.40, 82,818.60 and 20,165.73

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Solution

The fourth proportional to 55,212.40, 82,818.60 and 20,165.73 is: 30,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.40 : 82,818.60 = 20,165.73 : x
  2. Step 2: Convert to fraction form
    55,212.40/82,818.60 = 20,165.73/x
  3. Step 3: Cross multiply
    55,212.40x = 82,818.60 × 20,165.73
  4. Step 4: Simplify right side
    55,212.40x = 1,670,097,526.58
  5. Step 5: Solve for x
    x = 1,670,097,526.58/55,212.40
  6. Step 6: Final answer
    x = 30,248.60

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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.