Home / 49,155.38-73,733.34-12,219.38

Finding the Fourth Proportional to 49,155.38, 73,733.34 and 12,219.38

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Solution

The fourth proportional to 49,155.38, 73,733.34 and 12,219.38 is: 18,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,155.38 : 73,733.34 = 12,219.38 : x
  2. Step 2: Convert to fraction form
    49,155.38/73,733.34 = 12,219.38/x
  3. Step 3: Cross multiply
    49,155.38x = 73,733.34 × 12,219.38
  4. Step 4: Simplify right side
    49,155.38x = 900,975,331.46
  5. Step 5: Solve for x
    x = 900,975,331.46/49,155.38
  6. Step 6: Final answer
    x = 18,329.13

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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.