Home / 67,933.69-101,867.74-28,480.21

Finding the Fourth Proportional to 67,933.69, 101,867.74 and 28,480.21

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Solution

The fourth proportional to 67,933.69, 101,867.74 and 28,480.21 is: 42,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,933.69 : 101,867.74 = 28,480.21 : x
  2. Step 2: Convert to fraction form
    67,933.69/101,867.74 = 28,480.21/x
  3. Step 3: Cross multiply
    67,933.69x = 101,867.74 × 28,480.21
  4. Step 4: Simplify right side
    67,933.69x = 2,901,214,627.43
  5. Step 5: Solve for x
    x = 2,901,214,627.43/67,933.69
  6. Step 6: Final answer
    x = 42,706.57

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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.