Home / 61,138.31-84,335.03-38,441.33

Finding the Fourth Proportional to 61,138.31, 84,335.03 and 38,441.33

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Solution

The fourth proportional to 61,138.31, 84,335.03 and 38,441.33 is: 53,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,138.31 : 84,335.03 = 38,441.33 : x
  2. Step 2: Convert to fraction form
    61,138.31/84,335.03 = 38,441.33/x
  3. Step 3: Cross multiply
    61,138.31x = 84,335.03 × 38,441.33
  4. Step 4: Simplify right side
    61,138.31x = 3,241,950,104.91
  5. Step 5: Solve for x
    x = 3,241,950,104.91/61,138.31
  6. Step 6: Final answer
    x = 53,026.50

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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.