Home / 39,034.50-58,490.39-30,171.52

Finding the Fourth Proportional to 39,034.50, 58,490.39 and 30,171.52

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Solution

The fourth proportional to 39,034.50, 58,490.39 and 30,171.52 is: 45,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034.50 : 58,490.39 = 30,171.52 : x
  2. Step 2: Convert to fraction form
    39,034.50/58,490.39 = 30,171.52/x
  3. Step 3: Cross multiply
    39,034.50x = 58,490.39 × 30,171.52
  4. Step 4: Simplify right side
    39,034.50x = 1,764,743,971.69
  5. Step 5: Solve for x
    x = 1,764,743,971.69/39,034.50
  6. Step 6: Final answer
    x = 45,209.85

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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.