Home / 49,854.29-74,780.82-12,414.67

Finding the Fourth Proportional to 49,854.29, 74,780.82 and 12,414.67

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Solution

The fourth proportional to 49,854.29, 74,780.82 and 12,414.67 is: 18,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.29 : 74,780.82 = 12,414.67 : x
  2. Step 2: Convert to fraction form
    49,854.29/74,780.82 = 12,414.67/x
  3. Step 3: Cross multiply
    49,854.29x = 74,780.82 × 12,414.67
  4. Step 4: Simplify right side
    49,854.29x = 928,379,202.63
  5. Step 5: Solve for x
    x = 928,379,202.63/49,854.29
  6. Step 6: Final answer
    x = 18,621.85

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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.