Home / 34,107.61-51,171.63-20,613.82

Finding the Fourth Proportional to 34,107.61, 51,171.63 and 20,613.82

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Solution

The fourth proportional to 34,107.61, 51,171.63 and 20,613.82 is: 30,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.61 : 51,171.63 = 20,613.82 : x
  2. Step 2: Convert to fraction form
    34,107.61/51,171.63 = 20,613.82/x
  3. Step 3: Cross multiply
    34,107.61x = 51,171.63 × 20,613.82
  4. Step 4: Simplify right side
    34,107.61x = 1,054,842,769.93
  5. Step 5: Solve for x
    x = 1,054,842,769.93/34,107.61
  6. Step 6: Final answer
    x = 30,926.90

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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.