Home / 30,554.58-45,850.92-13,687.56

Finding the Fourth Proportional to 30,554.58, 45,850.92 and 13,687.56

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Solution

The fourth proportional to 30,554.58, 45,850.92 and 13,687.56 is: 20,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.58 : 45,850.92 = 13,687.56 : x
  2. Step 2: Convert to fraction form
    30,554.58/45,850.92 = 13,687.56/x
  3. Step 3: Cross multiply
    30,554.58x = 45,850.92 × 13,687.56
  4. Step 4: Simplify right side
    30,554.58x = 627,587,218.56
  5. Step 5: Solve for x
    x = 627,587,218.56/30,554.58
  6. Step 6: Final answer
    x = 20,539.87

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1.5x scale

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.