Home / 41,206.16-61,788.78-13,122.55

Finding the Fourth Proportional to 41,206.16, 61,788.78 and 13,122.55

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Solution

The fourth proportional to 41,206.16, 61,788.78 and 13,122.55 is: 19,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,206.16 : 61,788.78 = 13,122.55 : x
  2. Step 2: Convert to fraction form
    41,206.16/61,788.78 = 13,122.55/x
  3. Step 3: Cross multiply
    41,206.16x = 61,788.78 × 13,122.55
  4. Step 4: Simplify right side
    41,206.16x = 810,825,980.43
  5. Step 5: Solve for x
    x = 810,825,980.43/41,206.16
  6. Step 6: Final answer
    x = 19,677.30

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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.