Home / 30,150.66-41,605.19-16,721.88

Finding the Fourth Proportional to 30,150.66, 41,605.19 and 16,721.88

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Solution

The fourth proportional to 30,150.66, 41,605.19 and 16,721.88 is: 23,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.66 : 41,605.19 = 16,721.88 : x
  2. Step 2: Convert to fraction form
    30,150.66/41,605.19 = 16,721.88/x
  3. Step 3: Cross multiply
    30,150.66x = 41,605.19 × 16,721.88
  4. Step 4: Simplify right side
    30,150.66x = 695,716,910.95
  5. Step 5: Solve for x
    x = 695,716,910.95/30,150.66
  6. Step 6: Final answer
    x = 23,074.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.