Home / 39,438.81-54,369.01-24,321.31

Finding the Fourth Proportional to 39,438.81, 54,369.01 and 24,321.31

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Solution

The fourth proportional to 39,438.81, 54,369.01 and 24,321.31 is: 33,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.81 : 54,369.01 = 24,321.31 : x
  2. Step 2: Convert to fraction form
    39,438.81/54,369.01 = 24,321.31/x
  3. Step 3: Cross multiply
    39,438.81x = 54,369.01 × 24,321.31
  4. Step 4: Simplify right side
    39,438.81x = 1,322,325,546.60
  5. Step 5: Solve for x
    x = 1,322,325,546.60/39,438.81
  6. Step 6: Final answer
    x = 33,528.54

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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.