Home / 20,552.88-30,648.84-20,365.76

Finding the Fourth Proportional to 20,552.88, 30,648.84 and 20,365.76

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Solution

The fourth proportional to 20,552.88, 30,648.84 and 20,365.76 is: 30,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.88 : 30,648.84 = 20,365.76 : x
  2. Step 2: Convert to fraction form
    20,552.88/30,648.84 = 20,365.76/x
  3. Step 3: Cross multiply
    20,552.88x = 30,648.84 × 20,365.76
  4. Step 4: Simplify right side
    20,552.88x = 624,186,919.72
  5. Step 5: Solve for x
    x = 624,186,919.72/20,552.88
  6. Step 6: Final answer
    x = 30,369.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.