Home / 39,169.80-58,763.57-12,874.77

Finding the Fourth Proportional to 39,169.80, 58,763.57 and 12,874.77

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Solution

The fourth proportional to 39,169.80, 58,763.57 and 12,874.77 is: 19,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.80 : 58,763.57 = 12,874.77 : x
  2. Step 2: Convert to fraction form
    39,169.80/58,763.57 = 12,874.77/x
  3. Step 3: Cross multiply
    39,169.80x = 58,763.57 × 12,874.77
  4. Step 4: Simplify right side
    39,169.80x = 756,567,383.76
  5. Step 5: Solve for x
    x = 756,567,383.76/39,169.80
  6. Step 6: Final answer
    x = 19,315.07

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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.