Home / 39,173.49-54,059.81-21,268.64

Finding the Fourth Proportional to 39,173.49, 54,059.81 and 21,268.64

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Solution

The fourth proportional to 39,173.49, 54,059.81 and 21,268.64 is: 29,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.49 : 54,059.81 = 21,268.64 : x
  2. Step 2: Convert to fraction form
    39,173.49/54,059.81 = 21,268.64/x
  3. Step 3: Cross multiply
    39,173.49x = 54,059.81 × 21,268.64
  4. Step 4: Simplify right side
    39,173.49x = 1,149,778,666.16
  5. Step 5: Solve for x
    x = 1,149,778,666.16/39,173.49
  6. Step 6: Final answer
    x = 29,350.94

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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.