Home / 38,811.96-58,213.08-12,513.96

Finding the Fourth Proportional to 38,811.96, 58,213.08 and 12,513.96

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Solution

The fourth proportional to 38,811.96, 58,213.08 and 12,513.96 is: 18,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.96 : 58,213.08 = 12,513.96 : x
  2. Step 2: Convert to fraction form
    38,811.96/58,213.08 = 12,513.96/x
  3. Step 3: Cross multiply
    38,811.96x = 58,213.08 × 12,513.96
  4. Step 4: Simplify right side
    38,811.96x = 728,476,154.60
  5. Step 5: Solve for x
    x = 728,476,154.60/38,811.96
  6. Step 6: Final answer
    x = 18,769.37

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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.