Home / 39,858.26-59,790.12-13,559.58

Finding the Fourth Proportional to 39,858.26, 59,790.12 and 13,559.58

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Solution

The fourth proportional to 39,858.26, 59,790.12 and 13,559.58 is: 20,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.26 : 59,790.12 = 13,559.58 : x
  2. Step 2: Convert to fraction form
    39,858.26/59,790.12 = 13,559.58/x
  3. Step 3: Cross multiply
    39,858.26x = 59,790.12 × 13,559.58
  4. Step 4: Simplify right side
    39,858.26x = 810,728,915.35
  5. Step 5: Solve for x
    x = 810,728,915.35/39,858.26
  6. Step 6: Final answer
    x = 20,340.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.