Home / 30,253.43-41,716.08-20,694.89

Finding the Fourth Proportional to 30,253.43, 41,716.08 and 20,694.89

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Solution

The fourth proportional to 30,253.43, 41,716.08 and 20,694.89 is: 28,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.43 : 41,716.08 = 20,694.89 : x
  2. Step 2: Convert to fraction form
    30,253.43/41,716.08 = 20,694.89/x
  3. Step 3: Cross multiply
    30,253.43x = 41,716.08 × 20,694.89
  4. Step 4: Simplify right side
    30,253.43x = 863,309,791.12
  5. Step 5: Solve for x
    x = 863,309,791.12/30,253.43
  6. Step 6: Final answer
    x = 28,535.93

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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.