Home / 45,786.05-68,679.98-30,091.13

Finding the Fourth Proportional to 45,786.05, 68,679.98 and 30,091.13

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Solution

The fourth proportional to 45,786.05, 68,679.98 and 30,091.13 is: 45,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.05 : 68,679.98 = 30,091.13 : x
  2. Step 2: Convert to fraction form
    45,786.05/68,679.98 = 30,091.13/x
  3. Step 3: Cross multiply
    45,786.05x = 68,679.98 × 30,091.13
  4. Step 4: Simplify right side
    45,786.05x = 2,066,658,206.58
  5. Step 5: Solve for x
    x = 2,066,658,206.58/45,786.05
  6. Step 6: Final answer
    x = 45,137.29

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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.