Home / 69,012.42-103,542.93-33,976.68

Finding the Fourth Proportional to 69,012.42, 103,542.93 and 33,976.68

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Solution

The fourth proportional to 69,012.42, 103,542.93 and 33,976.68 is: 50,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012.42 : 103,542.93 = 33,976.68 : x
  2. Step 2: Convert to fraction form
    69,012.42/103,542.93 = 33,976.68/x
  3. Step 3: Cross multiply
    69,012.42x = 103,542.93 × 33,976.68
  4. Step 4: Simplify right side
    69,012.42x = 3,518,045,288.57
  5. Step 5: Solve for x
    x = 3,518,045,288.57/69,012.42
  6. Step 6: Final answer
    x = 50,976.99

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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.