Home / 30,022.20-41,430.60-18,086.04

Finding the Fourth Proportional to 30,022.20, 41,430.60 and 18,086.04

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Solution

The fourth proportional to 30,022.20, 41,430.60 and 18,086.04 is: 24,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.20 : 41,430.60 = 18,086.04 : x
  2. Step 2: Convert to fraction form
    30,022.20/41,430.60 = 18,086.04/x
  3. Step 3: Cross multiply
    30,022.20x = 41,430.60 × 18,086.04
  4. Step 4: Simplify right side
    30,022.20x = 749,315,488.82
  5. Step 5: Solve for x
    x = 749,315,488.82/30,022.20
  6. Step 6: Final answer
    x = 24,958.71

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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.