Home / 53,933.55-80,936.78-18,873.51

Finding the Fourth Proportional to 53,933.55, 80,936.78 and 18,873.51

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Solution

The fourth proportional to 53,933.55, 80,936.78 and 18,873.51 is: 28,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.55 : 80,936.78 = 18,873.51 : x
  2. Step 2: Convert to fraction form
    53,933.55/80,936.78 = 18,873.51/x
  3. Step 3: Cross multiply
    53,933.55x = 80,936.78 × 18,873.51
  4. Step 4: Simplify right side
    53,933.55x = 1,527,561,442.01
  5. Step 5: Solve for x
    x = 1,527,561,442.01/53,933.55
  6. Step 6: Final answer
    x = 28,323.03

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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.