Home / 39,539.71-54,559.42-23,620.78

Finding the Fourth Proportional to 39,539.71, 54,559.42 and 23,620.78

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Solution

The fourth proportional to 39,539.71, 54,559.42 and 23,620.78 is: 32,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.71 : 54,559.42 = 23,620.78 : x
  2. Step 2: Convert to fraction form
    39,539.71/54,559.42 = 23,620.78/x
  3. Step 3: Cross multiply
    39,539.71x = 54,559.42 × 23,620.78
  4. Step 4: Simplify right side
    39,539.71x = 1,288,736,198.76
  5. Step 5: Solve for x
    x = 1,288,736,198.76/39,539.71
  6. Step 6: Final answer
    x = 32,593.47

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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.