Home / 21,042.43-31,567.97-6,250.03

Finding the Fourth Proportional to 21,042.43, 31,567.97 and 6,250.03

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Solution

The fourth proportional to 21,042.43, 31,567.97 and 6,250.03 is: 9,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.43 : 31,567.97 = 6,250.03 : x
  2. Step 2: Convert to fraction form
    21,042.43/31,567.97 = 6,250.03/x
  3. Step 3: Cross multiply
    21,042.43x = 31,567.97 × 6,250.03
  4. Step 4: Simplify right side
    21,042.43x = 197,300,728.29
  5. Step 5: Solve for x
    x = 197,300,728.29/21,042.43
  6. Step 6: Final answer
    x = 9,376.33

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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.