Home / 57,933.53-86,884.59-20,488.64

Finding the Fourth Proportional to 57,933.53, 86,884.59 and 20,488.64

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Solution

The fourth proportional to 57,933.53, 86,884.59 and 20,488.64 is: 30,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933.53 : 86,884.59 = 20,488.64 : x
  2. Step 2: Convert to fraction form
    57,933.53/86,884.59 = 20,488.64/x
  3. Step 3: Cross multiply
    57,933.53x = 86,884.59 × 20,488.64
  4. Step 4: Simplify right side
    57,933.53x = 1,780,147,086.06
  5. Step 5: Solve for x
    x = 1,780,147,086.06/57,933.53
  6. Step 6: Final answer
    x = 30,727.41

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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.