Home / 30,168.67-41,632.64-16,739.90

Finding the Fourth Proportional to 30,168.67, 41,632.64 and 16,739.90

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Solution

The fourth proportional to 30,168.67, 41,632.64 and 16,739.90 is: 23,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.67 : 41,632.64 = 16,739.90 : x
  2. Step 2: Convert to fraction form
    30,168.67/41,632.64 = 16,739.90/x
  3. Step 3: Cross multiply
    30,168.67x = 41,632.64 × 16,739.90
  4. Step 4: Simplify right side
    30,168.67x = 696,926,010.70
  5. Step 5: Solve for x
    x = 696,926,010.70/30,168.67
  6. Step 6: Final answer
    x = 23,100.98

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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.