Home / 56,822.25-78,415.11-31,329.57

Finding the Fourth Proportional to 56,822.25, 78,415.11 and 31,329.57

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Solution

The fourth proportional to 56,822.25, 78,415.11 and 31,329.57 is: 43,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,822.25 : 78,415.11 = 31,329.57 : x
  2. Step 2: Convert to fraction form
    56,822.25/78,415.11 = 31,329.57/x
  3. Step 3: Cross multiply
    56,822.25x = 78,415.11 × 31,329.57
  4. Step 4: Simplify right side
    56,822.25x = 2,456,711,677.80
  5. Step 5: Solve for x
    x = 2,456,711,677.80/56,822.25
  6. Step 6: Final answer
    x = 43,235.03

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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.