Home / 67,317.07-100,927-20,544.43

Finding the Fourth Proportional to 67,317.07, 100,927 and 20,544.43

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Solution

The fourth proportional to 67,317.07, 100,927 and 20,544.43 is: 30,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,317.07 : 100,927 = 20,544.43 : x
  2. Step 2: Convert to fraction form
    67,317.07/100,927 = 20,544.43/x
  3. Step 3: Cross multiply
    67,317.07x = 100,927 × 20,544.43
  4. Step 4: Simplify right side
    67,317.07x = 2,073,487,686.61
  5. Step 5: Solve for x
    x = 2,073,487,686.61/67,317.07
  6. Step 6: Final answer
    x = 30,801.81

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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.