Home / 42,663.26-63,973.82-13,073.96

Finding the Fourth Proportional to 42,663.26, 63,973.82 and 13,073.96

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Solution

The fourth proportional to 42,663.26, 63,973.82 and 13,073.96 is: 19,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.26 : 63,973.82 = 13,073.96 : x
  2. Step 2: Convert to fraction form
    42,663.26/63,973.82 = 13,073.96/x
  3. Step 3: Cross multiply
    42,663.26x = 63,973.82 × 13,073.96
  4. Step 4: Simplify right side
    42,663.26x = 836,391,163.73
  5. Step 5: Solve for x
    x = 836,391,163.73/42,663.26
  6. Step 6: Final answer
    x = 19,604.48

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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.