Home / 57,290.79-85,934.87-33,747.69

Finding the Fourth Proportional to 57,290.79, 85,934.87 and 33,747.69

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Solution

The fourth proportional to 57,290.79, 85,934.87 and 33,747.69 is: 50,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,290.79 : 85,934.87 = 33,747.69 : x
  2. Step 2: Convert to fraction form
    57,290.79/85,934.87 = 33,747.69/x
  3. Step 3: Cross multiply
    57,290.79x = 85,934.87 × 33,747.69
  4. Step 4: Simplify right side
    57,290.79x = 2,900,102,861.96
  5. Step 5: Solve for x
    x = 2,900,102,861.96/57,290.79
  6. Step 6: Final answer
    x = 50,620.75

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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.