Home / 30,150.30-41,604.66-16,721.51

Finding the Fourth Proportional to 30,150.30, 41,604.66 and 16,721.51

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Solution

The fourth proportional to 30,150.30, 41,604.66 and 16,721.51 is: 23,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.30 : 41,604.66 = 16,721.51 : x
  2. Step 2: Convert to fraction form
    30,150.30/41,604.66 = 16,721.51/x
  3. Step 3: Cross multiply
    30,150.30x = 41,604.66 × 16,721.51
  4. Step 4: Simplify right side
    30,150.30x = 695,692,738.24
  5. Step 5: Solve for x
    x = 695,692,738.24/30,150.30
  6. Step 6: Final answer
    x = 23,074.16

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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.