Home / 39,450.75-59,185.69-13,157.54

Finding the Fourth Proportional to 39,450.75, 59,185.69 and 13,157.54

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Solution

The fourth proportional to 39,450.75, 59,185.69 and 13,157.54 is: 19,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.75 : 59,185.69 = 13,157.54 : x
  2. Step 2: Convert to fraction form
    39,450.75/59,185.69 = 13,157.54/x
  3. Step 3: Cross multiply
    39,450.75x = 59,185.69 × 13,157.54
  4. Step 4: Simplify right side
    39,450.75x = 778,737,976.73
  5. Step 5: Solve for x
    x = 778,737,976.73/39,450.75
  6. Step 6: Final answer
    x = 19,739.50

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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.