Home / 39,890.92-59,845.13-11,813.16

Finding the Fourth Proportional to 39,890.92, 59,845.13 and 11,813.16

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Solution

The fourth proportional to 39,890.92, 59,845.13 and 11,813.16 is: 17,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890.92 : 59,845.13 = 11,813.16 : x
  2. Step 2: Convert to fraction form
    39,890.92/59,845.13 = 11,813.16/x
  3. Step 3: Cross multiply
    39,890.92x = 59,845.13 × 11,813.16
  4. Step 4: Simplify right side
    39,890.92x = 706,960,095.91
  5. Step 5: Solve for x
    x = 706,960,095.91/39,890.92
  6. Step 6: Final answer
    x = 17,722.33

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1.5x scale

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.