Home / 30,286.32-45,401.39-27,794.76

Finding the Fourth Proportional to 30,286.32, 45,401.39 and 27,794.76

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Solution

The fourth proportional to 30,286.32, 45,401.39 and 27,794.76 is: 41,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.32 : 45,401.39 = 27,794.76 : x
  2. Step 2: Convert to fraction form
    30,286.32/45,401.39 = 27,794.76/x
  3. Step 3: Cross multiply
    30,286.32x = 45,401.39 × 27,794.76
  4. Step 4: Simplify right side
    30,286.32x = 1,261,920,738.72
  5. Step 5: Solve for x
    x = 1,261,920,738.72/30,286.32
  6. Step 6: Final answer
    x = 41,666.36

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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.