Home / 43,838.68-65,767.74-12,671.56

Finding the Fourth Proportional to 43,838.68, 65,767.74 and 12,671.56

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Solution

The fourth proportional to 43,838.68, 65,767.74 and 12,671.56 is: 19,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,838.68 : 65,767.74 = 12,671.56 : x
  2. Step 2: Convert to fraction form
    43,838.68/65,767.74 = 12,671.56/x
  3. Step 3: Cross multiply
    43,838.68x = 65,767.74 × 12,671.56
  4. Step 4: Simplify right side
    43,838.68x = 833,379,863.47
  5. Step 5: Solve for x
    x = 833,379,863.47/43,838.68
  6. Step 6: Final answer
    x = 19,010.15

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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.