Home / 47,744.12-71,617.38-12,683.72

Finding the Fourth Proportional to 47,744.12, 71,617.38 and 12,683.72

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Solution

The fourth proportional to 47,744.12, 71,617.38 and 12,683.72 is: 19,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,744.12 : 71,617.38 = 12,683.72 : x
  2. Step 2: Convert to fraction form
    47,744.12/71,617.38 = 12,683.72/x
  3. Step 3: Cross multiply
    47,744.12x = 71,617.38 × 12,683.72
  4. Step 4: Simplify right side
    47,744.12x = 908,374,795.05
  5. Step 5: Solve for x
    x = 908,374,795.05/47,744.12
  6. Step 6: Final answer
    x = 19,025.90

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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.