Home / 39,166.08-58,736.68-12,864.70

Finding the Fourth Proportional to 39,166.08, 58,736.68 and 12,864.70

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Solution

The fourth proportional to 39,166.08, 58,736.68 and 12,864.70 is: 19,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.08 : 58,736.68 = 12,864.70 : x
  2. Step 2: Convert to fraction form
    39,166.08/58,736.68 = 12,864.70/x
  3. Step 3: Cross multiply
    39,166.08x = 58,736.68 × 12,864.70
  4. Step 4: Simplify right side
    39,166.08x = 755,629,767.20
  5. Step 5: Solve for x
    x = 755,629,767.20/39,166.08
  6. Step 6: Final answer
    x = 19,292.96

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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.