Home / 43,509.42-65,286.14-20,152.26

Finding the Fourth Proportional to 43,509.42, 65,286.14 and 20,152.26

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Solution

The fourth proportional to 43,509.42, 65,286.14 and 20,152.26 is: 30,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509.42 : 65,286.14 = 20,152.26 : x
  2. Step 2: Convert to fraction form
    43,509.42/65,286.14 = 20,152.26/x
  3. Step 3: Cross multiply
    43,509.42x = 65,286.14 × 20,152.26
  4. Step 4: Simplify right side
    43,509.42x = 1,315,663,166.92
  5. Step 5: Solve for x
    x = 1,315,663,166.92/43,509.42
  6. Step 6: Final answer
    x = 30,238.58

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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.