Home / 35,286.12-52,859.99-20,463.90

Finding the Fourth Proportional to 35,286.12, 52,859.99 and 20,463.90

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Solution

The fourth proportional to 35,286.12, 52,859.99 and 20,463.90 is: 30,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,286.12 : 52,859.99 = 20,463.90 : x
  2. Step 2: Convert to fraction form
    35,286.12/52,859.99 = 20,463.90/x
  3. Step 3: Cross multiply
    35,286.12x = 52,859.99 × 20,463.90
  4. Step 4: Simplify right side
    35,286.12x = 1,081,721,447.04
  5. Step 5: Solve for x
    x = 1,081,721,447.04/35,286.12
  6. Step 6: Final answer
    x = 30,655.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.