Home / 43,622.31-65,433.45-14,042.43

Finding the Fourth Proportional to 43,622.31, 65,433.45 and 14,042.43

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Solution

The fourth proportional to 43,622.31, 65,433.45 and 14,042.43 is: 21,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,622.31 : 65,433.45 = 14,042.43 : x
  2. Step 2: Convert to fraction form
    43,622.31/65,433.45 = 14,042.43/x
  3. Step 3: Cross multiply
    43,622.31x = 65,433.45 × 14,042.43
  4. Step 4: Simplify right side
    43,622.31x = 918,844,641.28
  5. Step 5: Solve for x
    x = 918,844,641.28/43,622.31
  6. Step 6: Final answer
    x = 21,063.64

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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.