Home / 57,943.44-86,934.60-18,506.16

Finding the Fourth Proportional to 57,943.44, 86,934.60 and 18,506.16

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Solution

The fourth proportional to 57,943.44, 86,934.60 and 18,506.16 is: 27,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.44 : 86,934.60 = 18,506.16 : x
  2. Step 2: Convert to fraction form
    57,943.44/86,934.60 = 18,506.16/x
  3. Step 3: Cross multiply
    57,943.44x = 86,934.60 × 18,506.16
  4. Step 4: Simplify right side
    57,943.44x = 1,608,825,617.14
  5. Step 5: Solve for x
    x = 1,608,825,617.14/57,943.44
  6. Step 6: Final answer
    x = 27,765.45

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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.