Home / 67,417.08-101,121.84-20,669.82

Finding the Fourth Proportional to 67,417.08, 101,121.84 and 20,669.82

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Solution

The fourth proportional to 67,417.08, 101,121.84 and 20,669.82 is: 31,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,417.08 : 101,121.84 = 20,669.82 : x
  2. Step 2: Convert to fraction form
    67,417.08/101,121.84 = 20,669.82/x
  3. Step 3: Cross multiply
    67,417.08x = 101,121.84 × 20,669.82
  4. Step 4: Simplify right side
    67,417.08x = 2,090,170,230.87
  5. Step 5: Solve for x
    x = 2,090,170,230.87/67,417.08
  6. Step 6: Final answer
    x = 31,003.57

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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.