Home / 39,318.53-54,255.47-23,399.87

Finding the Fourth Proportional to 39,318.53, 54,255.47 and 23,399.87

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Solution

The fourth proportional to 39,318.53, 54,255.47 and 23,399.87 is: 32,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.53 : 54,255.47 = 23,399.87 : x
  2. Step 2: Convert to fraction form
    39,318.53/54,255.47 = 23,399.87/x
  3. Step 3: Cross multiply
    39,318.53x = 54,255.47 × 23,399.87
  4. Step 4: Simplify right side
    39,318.53x = 1,269,570,556.51
  5. Step 5: Solve for x
    x = 1,269,570,556.51/39,318.53
  6. Step 6: Final answer
    x = 32,289.37

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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.