Home / 65,822.73-90,835.82-40,329.15

Finding the Fourth Proportional to 65,822.73, 90,835.82 and 40,329.15

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Solution

The fourth proportional to 65,822.73, 90,835.82 and 40,329.15 is: 55,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.73 : 90,835.82 = 40,329.15 : x
  2. Step 2: Convert to fraction form
    65,822.73/90,835.82 = 40,329.15/x
  3. Step 3: Cross multiply
    65,822.73x = 90,835.82 × 40,329.15
  4. Step 4: Simplify right side
    65,822.73x = 3,663,331,208.51
  5. Step 5: Solve for x
    x = 3,663,331,208.51/65,822.73
  6. Step 6: Final answer
    x = 55,654.50

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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.