Home / 39,620.48-54,683.52-27,040.64

Finding the Fourth Proportional to 39,620.48, 54,683.52 and 27,040.64

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Solution

The fourth proportional to 39,620.48, 54,683.52 and 27,040.64 is: 37,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.48 : 54,683.52 = 27,040.64 : x
  2. Step 2: Convert to fraction form
    39,620.48/54,683.52 = 27,040.64/x
  3. Step 3: Cross multiply
    39,620.48x = 54,683.52 × 27,040.64
  4. Step 4: Simplify right side
    39,620.48x = 1,478,677,378.25
  5. Step 5: Solve for x
    x = 1,478,677,378.25/39,620.48
  6. Step 6: Final answer
    x = 37,321.04

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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.