Home / 39,577.31-54,617.29-21,673.98

Finding the Fourth Proportional to 39,577.31, 54,617.29 and 21,673.98

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Solution

The fourth proportional to 39,577.31, 54,617.29 and 21,673.98 is: 29,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,577.31 : 54,617.29 = 21,673.98 : x
  2. Step 2: Convert to fraction form
    39,577.31/54,617.29 = 21,673.98/x
  3. Step 3: Cross multiply
    39,577.31x = 54,617.29 × 21,673.98
  4. Step 4: Simplify right side
    39,577.31x = 1,183,773,996.93
  5. Step 5: Solve for x
    x = 1,183,773,996.93/39,577.31
  6. Step 6: Final answer
    x = 29,910.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.