Home / 30,246.48-41,734.85-20,694.15

Finding the Fourth Proportional to 30,246.48, 41,734.85 and 20,694.15

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Solution

The fourth proportional to 30,246.48, 41,734.85 and 20,694.15 is: 28,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.48 : 41,734.85 = 20,694.15 : x
  2. Step 2: Convert to fraction form
    30,246.48/41,734.85 = 20,694.15/x
  3. Step 3: Cross multiply
    30,246.48x = 41,734.85 × 20,694.15
  4. Step 4: Simplify right side
    30,246.48x = 863,667,142.66
  5. Step 5: Solve for x
    x = 863,667,142.66/30,246.48
  6. Step 6: Final answer
    x = 28,554.30

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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.