Home / 39,173.92-54,059.70-21,268.56

Finding the Fourth Proportional to 39,173.92, 54,059.70 and 21,268.56

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Solution

The fourth proportional to 39,173.92, 54,059.70 and 21,268.56 is: 29,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.92 : 54,059.70 = 21,268.56 : x
  2. Step 2: Convert to fraction form
    39,173.92/54,059.70 = 21,268.56/x
  3. Step 3: Cross multiply
    39,173.92x = 54,059.70 × 21,268.56
  4. Step 4: Simplify right side
    39,173.92x = 1,149,771,973.03
  5. Step 5: Solve for x
    x = 1,149,771,973.03/39,173.92
  6. Step 6: Final answer
    x = 29,350.44

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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.