Home / 43,734.30-65,601.45-20,406.30

Finding the Fourth Proportional to 43,734.30, 65,601.45 and 20,406.30

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Solution

The fourth proportional to 43,734.30, 65,601.45 and 20,406.30 is: 30,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,734.30 : 65,601.45 = 20,406.30 : x
  2. Step 2: Convert to fraction form
    43,734.30/65,601.45 = 20,406.30/x
  3. Step 3: Cross multiply
    43,734.30x = 65,601.45 × 20,406.30
  4. Step 4: Simplify right side
    43,734.30x = 1,338,682,869.14
  5. Step 5: Solve for x
    x = 1,338,682,869.14/43,734.30
  6. Step 6: Final answer
    x = 30,609.45

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1.5x scale

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.