Home / 73,280.22-109,907.91-20,677.38

Finding the Fourth Proportional to 73,280.22, 109,907.91 and 20,677.38

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Solution

The fourth proportional to 73,280.22, 109,907.91 and 20,677.38 is: 31,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,280.22 : 109,907.91 = 20,677.38 : x
  2. Step 2: Convert to fraction form
    73,280.22/109,907.91 = 20,677.38/x
  3. Step 3: Cross multiply
    73,280.22x = 109,907.91 × 20,677.38
  4. Step 4: Simplify right side
    73,280.22x = 2,272,607,620.08
  5. Step 5: Solve for x
    x = 2,272,607,620.08/73,280.22
  6. Step 6: Final answer
    x = 31,012.57

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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.