Home / 30,022.91-41,431.64-18,086.43

Finding the Fourth Proportional to 30,022.91, 41,431.64 and 18,086.43

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Solution

The fourth proportional to 30,022.91, 41,431.64 and 18,086.43 is: 24,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.91 : 41,431.64 = 18,086.43 : x
  2. Step 2: Convert to fraction form
    30,022.91/41,431.64 = 18,086.43/x
  3. Step 3: Cross multiply
    30,022.91x = 41,431.64 × 18,086.43
  4. Step 4: Simplify right side
    30,022.91x = 749,350,366.21
  5. Step 5: Solve for x
    x = 749,350,366.21/30,022.91
  6. Step 6: Final answer
    x = 24,959.29

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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.