Home / 39,380.80-59,078.40-16,009.60

Finding the Fourth Proportional to 39,380.80, 59,078.40 and 16,009.60

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Solution

The fourth proportional to 39,380.80, 59,078.40 and 16,009.60 is: 24,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.80 : 59,078.40 = 16,009.60 : x
  2. Step 2: Convert to fraction form
    39,380.80/59,078.40 = 16,009.60/x
  3. Step 3: Cross multiply
    39,380.80x = 59,078.40 × 16,009.60
  4. Step 4: Simplify right side
    39,380.80x = 945,821,552.64
  5. Step 5: Solve for x
    x = 945,821,552.64/39,380.80
  6. Step 6: Final answer
    x = 24,017.33

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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.