Home / 43,920.43-65,834.17-14,330.32

Finding the Fourth Proportional to 43,920.43, 65,834.17 and 14,330.32

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Solution

The fourth proportional to 43,920.43, 65,834.17 and 14,330.32 is: 21,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,920.43 : 65,834.17 = 14,330.32 : x
  2. Step 2: Convert to fraction form
    43,920.43/65,834.17 = 14,330.32/x
  3. Step 3: Cross multiply
    43,920.43x = 65,834.17 × 14,330.32
  4. Step 4: Simplify right side
    43,920.43x = 943,424,522.62
  5. Step 5: Solve for x
    x = 943,424,522.62/43,920.43
  6. Step 6: Final answer
    x = 21,480.31

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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.