Home / 33,099.81-45,640.66-31,000.29

Finding the Fourth Proportional to 33,099.81, 45,640.66 and 31,000.29

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Solution

The fourth proportional to 33,099.81, 45,640.66 and 31,000.29 is: 42,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.81 : 45,640.66 = 31,000.29 : x
  2. Step 2: Convert to fraction form
    33,099.81/45,640.66 = 31,000.29/x
  3. Step 3: Cross multiply
    33,099.81x = 45,640.66 × 31,000.29
  4. Step 4: Simplify right side
    33,099.81x = 1,414,873,540.79
  5. Step 5: Solve for x
    x = 1,414,873,540.79/33,099.81
  6. Step 6: Final answer
    x = 42,745.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.