Home / 57,918.32-86,858.97-18,466.19

Finding the Fourth Proportional to 57,918.32, 86,858.97 and 18,466.19

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Solution

The fourth proportional to 57,918.32, 86,858.97 and 18,466.19 is: 27,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,918.32 : 86,858.97 = 18,466.19 : x
  2. Step 2: Convert to fraction form
    57,918.32/86,858.97 = 18,466.19/x
  3. Step 3: Cross multiply
    57,918.32x = 86,858.97 × 18,466.19
  4. Step 4: Simplify right side
    57,918.32x = 1,603,954,243.22
  5. Step 5: Solve for x
    x = 1,603,954,243.22/57,918.32
  6. Step 6: Final answer
    x = 27,693.38

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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.