Home / 39,247.09-58,872.68-12,953.89

Finding the Fourth Proportional to 39,247.09, 58,872.68 and 12,953.89

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Solution

The fourth proportional to 39,247.09, 58,872.68 and 12,953.89 is: 19,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.09 : 58,872.68 = 12,953.89 : x
  2. Step 2: Convert to fraction form
    39,247.09/58,872.68 = 12,953.89/x
  3. Step 3: Cross multiply
    39,247.09x = 58,872.68 × 12,953.89
  4. Step 4: Simplify right side
    39,247.09x = 762,630,220.73
  5. Step 5: Solve for x
    x = 762,630,220.73/39,247.09
  6. Step 6: Final answer
    x = 19,431.51

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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.