Home / 30,168.32-41,632.52-16,739.72

Finding the Fourth Proportional to 30,168.32, 41,632.52 and 16,739.72

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Solution

The fourth proportional to 30,168.32, 41,632.52 and 16,739.72 is: 23,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.32 : 41,632.52 = 16,739.72 : x
  2. Step 2: Convert to fraction form
    30,168.32/41,632.52 = 16,739.72/x
  3. Step 3: Cross multiply
    30,168.32x = 41,632.52 × 16,739.72
  4. Step 4: Simplify right side
    30,168.32x = 696,916,727.69
  5. Step 5: Solve for x
    x = 696,916,727.69/30,168.32
  6. Step 6: Final answer
    x = 23,100.95

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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.