Home / 43,216.47-64,786.23-16,939.53

Finding the Fourth Proportional to 43,216.47, 64,786.23 and 16,939.53

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Solution

The fourth proportional to 43,216.47, 64,786.23 and 16,939.53 is: 25,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.47 : 64,786.23 = 16,939.53 : x
  2. Step 2: Convert to fraction form
    43,216.47/64,786.23 = 16,939.53/x
  3. Step 3: Cross multiply
    43,216.47x = 64,786.23 × 16,939.53
  4. Step 4: Simplify right side
    43,216.47x = 1,097,448,286.67
  5. Step 5: Solve for x
    x = 1,097,448,286.67/43,216.47
  6. Step 6: Final answer
    x = 25,394.21

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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.