Home / 39,808.58-54,925.88-25,644.38

Finding the Fourth Proportional to 39,808.58, 54,925.88 and 25,644.38

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Solution

The fourth proportional to 39,808.58, 54,925.88 and 25,644.38 is: 35,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808.58 : 54,925.88 = 25,644.38 : x
  2. Step 2: Convert to fraction form
    39,808.58/54,925.88 = 25,644.38/x
  3. Step 3: Cross multiply
    39,808.58x = 54,925.88 × 25,644.38
  4. Step 4: Simplify right side
    39,808.58x = 1,408,539,735.70
  5. Step 5: Solve for x
    x = 1,408,539,735.70/39,808.58
  6. Step 6: Final answer
    x = 35,382.82

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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.