Home / 31,321,564.96-46,964,137.58-20,958,625.38

Finding the Fourth Proportional to 31,321,564.96, 46,964,137.58 and 20,958,625.38

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Solution

The fourth proportional to 31,321,564.96, 46,964,137.58 and 20,958,625.38 is: 31,425,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321,564.96 : 46,964,137.58 = 20,958,625.38 : x
  2. Step 2: Convert to fraction form
    31,321,564.96/46,964,137.58 = 20,958,625.38/x
  3. Step 3: Cross multiply
    31,321,564.96x = 46,964,137.58 × 20,958,625.38
  4. Step 4: Simplify right side
    31,321,564.96x = 984,303,765,833,999.75
  5. Step 5: Solve for x
    x = 984,303,765,833,999.75/31,321,564.96
  6. Step 6: Final answer
    x = 31,425,753.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.