Home / 67,019.04-100,375.41-31,983.30

Finding the Fourth Proportional to 67,019.04, 100,375.41 and 31,983.30

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Solution

The fourth proportional to 67,019.04, 100,375.41 and 31,983.30 is: 47,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019.04 : 100,375.41 = 31,983.30 : x
  2. Step 2: Convert to fraction form
    67,019.04/100,375.41 = 31,983.30/x
  3. Step 3: Cross multiply
    67,019.04x = 100,375.41 × 31,983.30
  4. Step 4: Simplify right side
    67,019.04x = 3,210,336,850.65
  5. Step 5: Solve for x
    x = 3,210,336,850.65/67,019.04
  6. Step 6: Final answer
    x = 47,901.86

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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.