Home / 39,683.40-54,765.52-26,231.32

Finding the Fourth Proportional to 39,683.40, 54,765.52 and 26,231.32

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Solution

The fourth proportional to 39,683.40, 54,765.52 and 26,231.32 is: 36,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.40 : 54,765.52 = 26,231.32 : x
  2. Step 2: Convert to fraction form
    39,683.40/54,765.52 = 26,231.32/x
  3. Step 3: Cross multiply
    39,683.40x = 54,765.52 × 26,231.32
  4. Step 4: Simplify right side
    39,683.40x = 1,436,571,880.09
  5. Step 5: Solve for x
    x = 1,436,571,880.09/39,683.40
  6. Step 6: Final answer
    x = 36,200.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.