Home / 34,379.01-51,568.56-9,419.28

Finding the Fourth Proportional to 34,379.01, 51,568.56 and 9,419.28

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Solution

The fourth proportional to 34,379.01, 51,568.56 and 9,419.28 is: 14,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,379.01 : 51,568.56 = 9,419.28 : x
  2. Step 2: Convert to fraction form
    34,379.01/51,568.56 = 9,419.28/x
  3. Step 3: Cross multiply
    34,379.01x = 51,568.56 × 9,419.28
  4. Step 4: Simplify right side
    34,379.01x = 485,738,705.84
  5. Step 5: Solve for x
    x = 485,738,705.84/34,379.01
  6. Step 6: Final answer
    x = 14,128.93

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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.