Home / 39,647.75-54,698.88-25,308.14

Finding the Fourth Proportional to 39,647.75, 54,698.88 and 25,308.14

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Solution

The fourth proportional to 39,647.75, 54,698.88 and 25,308.14 is: 34,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.75 : 54,698.88 = 25,308.14 : x
  2. Step 2: Convert to fraction form
    39,647.75/54,698.88 = 25,308.14/x
  3. Step 3: Cross multiply
    39,647.75x = 54,698.88 × 25,308.14
  4. Step 4: Simplify right side
    39,647.75x = 1,384,326,912.88
  5. Step 5: Solve for x
    x = 1,384,326,912.88/39,647.75
  6. Step 6: Final answer
    x = 34,915.65

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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.