Home / 43,031.80-64,548.31-11,442.41

Finding the Fourth Proportional to 43,031.80, 64,548.31 and 11,442.41

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Solution

The fourth proportional to 43,031.80, 64,548.31 and 11,442.41 is: 17,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,031.80 : 64,548.31 = 11,442.41 : x
  2. Step 2: Convert to fraction form
    43,031.80/64,548.31 = 11,442.41/x
  3. Step 3: Cross multiply
    43,031.80x = 64,548.31 × 11,442.41
  4. Step 4: Simplify right side
    43,031.80x = 738,587,876.48
  5. Step 5: Solve for x
    x = 738,587,876.48/43,031.80
  6. Step 6: Final answer
    x = 17,163.77

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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.