Home / 40,763.88-61,145.28-11,181.69

Finding the Fourth Proportional to 40,763.88, 61,145.28 and 11,181.69

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Solution

The fourth proportional to 40,763.88, 61,145.28 and 11,181.69 is: 16,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.88 : 61,145.28 = 11,181.69 : x
  2. Step 2: Convert to fraction form
    40,763.88/61,145.28 = 11,181.69/x
  3. Step 3: Cross multiply
    40,763.88x = 61,145.28 × 11,181.69
  4. Step 4: Simplify right side
    40,763.88x = 683,707,565.92
  5. Step 5: Solve for x
    x = 683,707,565.92/40,763.88
  6. Step 6: Final answer
    x = 16,772.39

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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.