Home / 20,054.85-30,076.19-8,365.33

Finding the Fourth Proportional to 20,054.85, 30,076.19 and 8,365.33

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Solution

The fourth proportional to 20,054.85, 30,076.19 and 8,365.33 is: 12,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.85 : 30,076.19 = 8,365.33 : x
  2. Step 2: Convert to fraction form
    20,054.85/30,076.19 = 8,365.33/x
  3. Step 3: Cross multiply
    20,054.85x = 30,076.19 × 8,365.33
  4. Step 4: Simplify right side
    20,054.85x = 251,597,212.67
  5. Step 5: Solve for x
    x = 251,597,212.67/20,054.85
  6. Step 6: Final answer
    x = 12,545.46

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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.