Home / 39,170.09-58,749.05-12,874.65

Finding the Fourth Proportional to 39,170.09, 58,749.05 and 12,874.65

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Solution

The fourth proportional to 39,170.09, 58,749.05 and 12,874.65 is: 19,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.09 : 58,749.05 = 12,874.65 : x
  2. Step 2: Convert to fraction form
    39,170.09/58,749.05 = 12,874.65/x
  3. Step 3: Cross multiply
    39,170.09x = 58,749.05 × 12,874.65
  4. Step 4: Simplify right side
    39,170.09x = 756,373,392.21
  5. Step 5: Solve for x
    x = 756,373,392.21/39,170.09
  6. Step 6: Final answer
    x = 19,309.98

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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.