Home / 29,311.33-43,894.06-20,505.01

Finding the Fourth Proportional to 29,311.33, 43,894.06 and 20,505.01

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Solution

The fourth proportional to 29,311.33, 43,894.06 and 20,505.01 is: 30,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.33 : 43,894.06 = 20,505.01 : x
  2. Step 2: Convert to fraction form
    29,311.33/43,894.06 = 20,505.01/x
  3. Step 3: Cross multiply
    29,311.33x = 43,894.06 × 20,505.01
  4. Step 4: Simplify right side
    29,311.33x = 900,048,139.24
  5. Step 5: Solve for x
    x = 900,048,139.24/29,311.33
  6. Step 6: Final answer
    x = 30,706.49

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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.