Home / 43,253.89-64,891.31-21,062.22

Finding the Fourth Proportional to 43,253.89, 64,891.31 and 21,062.22

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Solution

The fourth proportional to 43,253.89, 64,891.31 and 21,062.22 is: 31,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,253.89 : 64,891.31 = 21,062.22 : x
  2. Step 2: Convert to fraction form
    43,253.89/64,891.31 = 21,062.22/x
  3. Step 3: Cross multiply
    43,253.89x = 64,891.31 × 21,062.22
  4. Step 4: Simplify right side
    43,253.89x = 1,366,755,047.31
  5. Step 5: Solve for x
    x = 1,366,755,047.31/43,253.89
  6. Step 6: Final answer
    x = 31,598.43

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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.