Home / 39,173.95-54,059.88-21,268.81

Finding the Fourth Proportional to 39,173.95, 54,059.88 and 21,268.81

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Solution

The fourth proportional to 39,173.95, 54,059.88 and 21,268.81 is: 29,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.95 : 54,059.88 = 21,268.81 : x
  2. Step 2: Convert to fraction form
    39,173.95/54,059.88 = 21,268.81/x
  3. Step 3: Cross multiply
    39,173.95x = 54,059.88 × 21,268.81
  4. Step 4: Simplify right side
    39,173.95x = 1,149,789,316.34
  5. Step 5: Solve for x
    x = 1,149,789,316.34/39,173.95
  6. Step 6: Final answer
    x = 29,350.86

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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.