Home / 30,834.12-42,546.52-18,082.49

Finding the Fourth Proportional to 30,834.12, 42,546.52 and 18,082.49

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Solution

The fourth proportional to 30,834.12, 42,546.52 and 18,082.49 is: 24,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,834.12 : 42,546.52 = 18,082.49 : x
  2. Step 2: Convert to fraction form
    30,834.12/42,546.52 = 18,082.49/x
  3. Step 3: Cross multiply
    30,834.12x = 42,546.52 × 18,082.49
  4. Step 4: Simplify right side
    30,834.12x = 769,346,969.92
  5. Step 5: Solve for x
    x = 769,346,969.92/30,834.12
  6. Step 6: Final answer
    x = 24,951.16

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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.