Home / 43,872.42-65,512.67-43,408.90

Finding the Fourth Proportional to 43,872.42, 65,512.67 and 43,408.90

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Solution

The fourth proportional to 43,872.42, 65,512.67 and 43,408.90 is: 64,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,872.42 : 65,512.67 = 43,408.90 : x
  2. Step 2: Convert to fraction form
    43,872.42/65,512.67 = 43,408.90/x
  3. Step 3: Cross multiply
    43,872.42x = 65,512.67 × 43,408.90
  4. Step 4: Simplify right side
    43,872.42x = 2,843,832,940.76
  5. Step 5: Solve for x
    x = 2,843,832,940.76/43,872.42
  6. Step 6: Final answer
    x = 64,820.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.