Home / 30,838.11-46,276.19-12,114.85

Finding the Fourth Proportional to 30,838.11, 46,276.19 and 12,114.85

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Solution

The fourth proportional to 30,838.11, 46,276.19 and 12,114.85 is: 18,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.11 : 46,276.19 = 12,114.85 : x
  2. Step 2: Convert to fraction form
    30,838.11/46,276.19 = 12,114.85/x
  3. Step 3: Cross multiply
    30,838.11x = 46,276.19 × 12,114.85
  4. Step 4: Simplify right side
    30,838.11x = 560,629,057.10
  5. Step 5: Solve for x
    x = 560,629,057.10/30,838.11
  6. Step 6: Final answer
    x = 18,179.75

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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.