Home / 69,937.53-104,907.30-20,017.66

Finding the Fourth Proportional to 69,937.53, 104,907.30 and 20,017.66

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Solution

The fourth proportional to 69,937.53, 104,907.30 and 20,017.66 is: 30,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.53 : 104,907.30 = 20,017.66 : x
  2. Step 2: Convert to fraction form
    69,937.53/104,907.30 = 20,017.66/x
  3. Step 3: Cross multiply
    69,937.53x = 104,907.30 × 20,017.66
  4. Step 4: Simplify right side
    69,937.53x = 2,099,998,662.92
  5. Step 5: Solve for x
    x = 2,099,998,662.92/69,937.53
  6. Step 6: Final answer
    x = 30,026.78

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1.5x scale

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.