Home / 30,629.80-45,858.30-29,765.80

Finding the Fourth Proportional to 30,629.80, 45,858.30 and 29,765.80

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Solution

The fourth proportional to 30,629.80, 45,858.30 and 29,765.80 is: 44,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.80 : 45,858.30 = 29,765.80 : x
  2. Step 2: Convert to fraction form
    30,629.80/45,858.30 = 29,765.80/x
  3. Step 3: Cross multiply
    30,629.80x = 45,858.30 × 29,765.80
  4. Step 4: Simplify right side
    30,629.80x = 1,365,008,986.14
  5. Step 5: Solve for x
    x = 1,365,008,986.14/30,629.80
  6. Step 6: Final answer
    x = 44,564.74

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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.