Home / 30,249.18-41,737.88-18,313.63

Finding the Fourth Proportional to 30,249.18, 41,737.88 and 18,313.63

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Solution

The fourth proportional to 30,249.18, 41,737.88 and 18,313.63 is: 25,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.18 : 41,737.88 = 18,313.63 : x
  2. Step 2: Convert to fraction form
    30,249.18/41,737.88 = 18,313.63/x
  3. Step 3: Cross multiply
    30,249.18x = 41,737.88 × 18,313.63
  4. Step 4: Simplify right side
    30,249.18x = 764,371,882.62
  5. Step 5: Solve for x
    x = 764,371,882.62/30,249.18
  6. Step 6: Final answer
    x = 25,269.18

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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.