Home / 39,372.31-54,331.81-22,374.31

Finding the Fourth Proportional to 39,372.31, 54,331.81 and 22,374.31

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Solution

The fourth proportional to 39,372.31, 54,331.81 and 22,374.31 is: 30,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.31 : 54,331.81 = 22,374.31 : x
  2. Step 2: Convert to fraction form
    39,372.31/54,331.81 = 22,374.31/x
  3. Step 3: Cross multiply
    39,372.31x = 54,331.81 × 22,374.31
  4. Step 4: Simplify right side
    39,372.31x = 1,215,636,759.80
  5. Step 5: Solve for x
    x = 1,215,636,759.80/39,372.31
  6. Step 6: Final answer
    x = 30,875.42

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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.