Home / 39,173.55-54,059.54-21,268.55

Finding the Fourth Proportional to 39,173.55, 54,059.54 and 21,268.55

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Solution

The fourth proportional to 39,173.55, 54,059.54 and 21,268.55 is: 29,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.55 : 54,059.54 = 21,268.55 : x
  2. Step 2: Convert to fraction form
    39,173.55/54,059.54 = 21,268.55/x
  3. Step 3: Cross multiply
    39,173.55x = 54,059.54 × 21,268.55
  4. Step 4: Simplify right side
    39,173.55x = 1,149,767,652.83
  5. Step 5: Solve for x
    x = 1,149,767,652.83/39,173.55
  6. Step 6: Final answer
    x = 29,350.61

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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.