Home / 34,290.16-51,431.46-10,918.42

Finding the Fourth Proportional to 34,290.16, 51,431.46 and 10,918.42

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Solution

The fourth proportional to 34,290.16, 51,431.46 and 10,918.42 is: 16,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.16 : 51,431.46 = 10,918.42 : x
  2. Step 2: Convert to fraction form
    34,290.16/51,431.46 = 10,918.42/x
  3. Step 3: Cross multiply
    34,290.16x = 51,431.46 × 10,918.42
  4. Step 4: Simplify right side
    34,290.16x = 561,550,281.49
  5. Step 5: Solve for x
    x = 561,550,281.49/34,290.16
  6. Step 6: Final answer
    x = 16,376.43

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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.