Home / 29,578.38-40,824.66-18,821.04

Finding the Fourth Proportional to 29,578.38, 40,824.66 and 18,821.04

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Solution

The fourth proportional to 29,578.38, 40,824.66 and 18,821.04 is: 25,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.38 : 40,824.66 = 18,821.04 : x
  2. Step 2: Convert to fraction form
    29,578.38/40,824.66 = 18,821.04/x
  3. Step 3: Cross multiply
    29,578.38x = 40,824.66 × 18,821.04
  4. Step 4: Simplify right side
    29,578.38x = 768,362,558.85
  5. Step 5: Solve for x
    x = 768,362,558.85/29,578.38
  6. Step 6: Final answer
    x = 25,977.17

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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.