Home / 39,725.32-54,773.94-25,578.76

Finding the Fourth Proportional to 39,725.32, 54,773.94 and 25,578.76

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Solution

The fourth proportional to 39,725.32, 54,773.94 and 25,578.76 is: 35,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.32 : 54,773.94 = 25,578.76 : x
  2. Step 2: Convert to fraction form
    39,725.32/54,773.94 = 25,578.76/x
  3. Step 3: Cross multiply
    39,725.32x = 54,773.94 × 25,578.76
  4. Step 4: Simplify right side
    39,725.32x = 1,401,049,465.51
  5. Step 5: Solve for x
    x = 1,401,049,465.51/39,725.32
  6. Step 6: Final answer
    x = 35,268.42

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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.