Home / 57,683.28-86,535.60-18,250.32

Finding the Fourth Proportional to 57,683.28, 86,535.60 and 18,250.32

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Solution

The fourth proportional to 57,683.28, 86,535.60 and 18,250.32 is: 27,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,683.28 : 86,535.60 = 18,250.32 : x
  2. Step 2: Convert to fraction form
    57,683.28/86,535.60 = 18,250.32/x
  3. Step 3: Cross multiply
    57,683.28x = 86,535.60 × 18,250.32
  4. Step 4: Simplify right side
    57,683.28x = 1,579,302,391.39
  5. Step 5: Solve for x
    x = 1,579,302,391.39/57,683.28
  6. Step 6: Final answer
    x = 27,378.86

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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.