Home / 30,229.45-45,344.29-9,169.68

Finding the Fourth Proportional to 30,229.45, 45,344.29 and 9,169.68

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Solution

The fourth proportional to 30,229.45, 45,344.29 and 9,169.68 is: 13,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.45 : 45,344.29 = 9,169.68 : x
  2. Step 2: Convert to fraction form
    30,229.45/45,344.29 = 9,169.68/x
  3. Step 3: Cross multiply
    30,229.45x = 45,344.29 × 9,169.68
  4. Step 4: Simplify right side
    30,229.45x = 415,792,427.57
  5. Step 5: Solve for x
    x = 415,792,427.57/30,229.45
  6. Step 6: Final answer
    x = 13,754.55

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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.