Home / 39,974.91-59,951.92-11,887.40

Finding the Fourth Proportional to 39,974.91, 59,951.92 and 11,887.40

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Solution

The fourth proportional to 39,974.91, 59,951.92 and 11,887.40 is: 17,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.91 : 59,951.92 = 11,887.40 : x
  2. Step 2: Convert to fraction form
    39,974.91/59,951.92 = 11,887.40/x
  3. Step 3: Cross multiply
    39,974.91x = 59,951.92 × 11,887.40
  4. Step 4: Simplify right side
    39,974.91x = 712,672,453.81
  5. Step 5: Solve for x
    x = 712,672,453.81/39,974.91
  6. Step 6: Final answer
    x = 17,827.99

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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.