Home / 30,832.89-42,544.83-18,081.27

Finding the Fourth Proportional to 30,832.89, 42,544.83 and 18,081.27

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Solution

The fourth proportional to 30,832.89, 42,544.83 and 18,081.27 is: 24,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.89 : 42,544.83 = 18,081.27 : x
  2. Step 2: Convert to fraction form
    30,832.89/42,544.83 = 18,081.27/x
  3. Step 3: Cross multiply
    30,832.89x = 42,544.83 × 18,081.27
  4. Step 4: Simplify right side
    30,832.89x = 769,264,466.60
  5. Step 5: Solve for x
    x = 769,264,466.60/30,832.89
  6. Step 6: Final answer
    x = 24,949.47

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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.