Home / 43,475.68-65,246.24-20,118.56

Finding the Fourth Proportional to 43,475.68, 65,246.24 and 20,118.56

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Solution

The fourth proportional to 43,475.68, 65,246.24 and 20,118.56 is: 30,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.68 : 65,246.24 = 20,118.56 : x
  2. Step 2: Convert to fraction form
    43,475.68/65,246.24 = 20,118.56/x
  3. Step 3: Cross multiply
    43,475.68x = 65,246.24 × 20,118.56
  4. Step 4: Simplify right side
    43,475.68x = 1,312,660,394.21
  5. Step 5: Solve for x
    x = 1,312,660,394.21/43,475.68
  6. Step 6: Final answer
    x = 30,192.98

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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.