Home / 43,042.48-64,576.28-18,069.38

Finding the Fourth Proportional to 43,042.48, 64,576.28 and 18,069.38

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Solution

The fourth proportional to 43,042.48, 64,576.28 and 18,069.38 is: 27,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.48 : 64,576.28 = 18,069.38 : x
  2. Step 2: Convert to fraction form
    43,042.48/64,576.28 = 18,069.38/x
  3. Step 3: Cross multiply
    43,042.48x = 64,576.28 × 18,069.38
  4. Step 4: Simplify right side
    43,042.48x = 1,166,853,342.31
  5. Step 5: Solve for x
    x = 1,166,853,342.31/43,042.48
  6. Step 6: Final answer
    x = 27,109.34

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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.