Home / 39,245.28-58,869.96-12,952.07

Finding the Fourth Proportional to 39,245.28, 58,869.96 and 12,952.07

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Solution

The fourth proportional to 39,245.28, 58,869.96 and 12,952.07 is: 19,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.28 : 58,869.96 = 12,952.07 : x
  2. Step 2: Convert to fraction form
    39,245.28/58,869.96 = 12,952.07/x
  3. Step 3: Cross multiply
    39,245.28x = 58,869.96 × 12,952.07
  4. Step 4: Simplify right side
    39,245.28x = 762,487,720.66
  5. Step 5: Solve for x
    x = 762,487,720.66/39,245.28
  6. Step 6: Final answer
    x = 19,428.78

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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.