Home / 34,040.80-51,064.32-14,315.68

Finding the Fourth Proportional to 34,040.80, 51,064.32 and 14,315.68

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Solution

The fourth proportional to 34,040.80, 51,064.32 and 14,315.68 is: 21,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,040.80 : 51,064.32 = 14,315.68 : x
  2. Step 2: Convert to fraction form
    34,040.80/51,064.32 = 14,315.68/x
  3. Step 3: Cross multiply
    34,040.80x = 51,064.32 × 14,315.68
  4. Step 4: Simplify right side
    34,040.80x = 731,020,464.54
  5. Step 5: Solve for x
    x = 731,020,464.54/34,040.80
  6. Step 6: Final answer
    x = 21,474.83

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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.