Home / 39,318.28-58,967.51-11,238.48

Finding the Fourth Proportional to 39,318.28, 58,967.51 and 11,238.48

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Solution

The fourth proportional to 39,318.28, 58,967.51 and 11,238.48 is: 16,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.28 : 58,967.51 = 11,238.48 : x
  2. Step 2: Convert to fraction form
    39,318.28/58,967.51 = 11,238.48/x
  3. Step 3: Cross multiply
    39,318.28x = 58,967.51 × 11,238.48
  4. Step 4: Simplify right side
    39,318.28x = 662,705,125.59
  5. Step 5: Solve for x
    x = 662,705,125.59/39,318.28
  6. Step 6: Final answer
    x = 16,854.89

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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.