Home / 39,338.20-54,282.36-23,419.54

Finding the Fourth Proportional to 39,338.20, 54,282.36 and 23,419.54

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Solution

The fourth proportional to 39,338.20, 54,282.36 and 23,419.54 is: 32,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338.20 : 54,282.36 = 23,419.54 : x
  2. Step 2: Convert to fraction form
    39,338.20/54,282.36 = 23,419.54/x
  3. Step 3: Cross multiply
    39,338.20x = 54,282.36 × 23,419.54
  4. Step 4: Simplify right side
    39,338.20x = 1,271,267,901.31
  5. Step 5: Solve for x
    x = 1,271,267,901.31/39,338.20
  6. Step 6: Final answer
    x = 32,316.37

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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.