Home / 20,038.21-30,052.18-7,554.54

Finding the Fourth Proportional to 20,038.21, 30,052.18 and 7,554.54

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Solution

The fourth proportional to 20,038.21, 30,052.18 and 7,554.54 is: 11,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.21 : 30,052.18 = 7,554.54 : x
  2. Step 2: Convert to fraction form
    20,038.21/30,052.18 = 7,554.54/x
  3. Step 3: Cross multiply
    20,038.21x = 30,052.18 × 7,554.54
  4. Step 4: Simplify right side
    20,038.21x = 227,030,245.64
  5. Step 5: Solve for x
    x = 227,030,245.64/20,038.21
  6. Step 6: Final answer
    x = 11,329.87

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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.