Home / 41,207.77-61,820.97-13,129.42

Finding the Fourth Proportional to 41,207.77, 61,820.97 and 13,129.42

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Solution

The fourth proportional to 41,207.77, 61,820.97 and 13,129.42 is: 19,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,207.77 : 61,820.97 = 13,129.42 : x
  2. Step 2: Convert to fraction form
    41,207.77/61,820.97 = 13,129.42/x
  3. Step 3: Cross multiply
    41,207.77x = 61,820.97 × 13,129.42
  4. Step 4: Simplify right side
    41,207.77x = 811,673,325.38
  5. Step 5: Solve for x
    x = 811,673,325.38/41,207.77
  6. Step 6: Final answer
    x = 19,697.10

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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.