Home / 41,186.88-61,784.64-13,487.04

Finding the Fourth Proportional to 41,186.88, 61,784.64 and 13,487.04

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Solution

The fourth proportional to 41,186.88, 61,784.64 and 13,487.04 is: 20,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,186.88 : 61,784.64 = 13,487.04 : x
  2. Step 2: Convert to fraction form
    41,186.88/61,784.64 = 13,487.04/x
  3. Step 3: Cross multiply
    41,186.88x = 61,784.64 × 13,487.04
  4. Step 4: Simplify right side
    41,186.88x = 833,291,911.07
  5. Step 5: Solve for x
    x = 833,291,911.07/41,186.88
  6. Step 6: Final answer
    x = 20,231.97

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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.