Home / 34,129.71-51,184.53-11,938.95

Finding the Fourth Proportional to 34,129.71, 51,184.53 and 11,938.95

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Solution

The fourth proportional to 34,129.71, 51,184.53 and 11,938.95 is: 17,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.71 : 51,184.53 = 11,938.95 : x
  2. Step 2: Convert to fraction form
    34,129.71/51,184.53 = 11,938.95/x
  3. Step 3: Cross multiply
    34,129.71x = 51,184.53 × 11,938.95
  4. Step 4: Simplify right side
    34,129.71x = 611,089,544.44
  5. Step 5: Solve for x
    x = 611,089,544.44/34,129.71
  6. Step 6: Final answer
    x = 17,904.91

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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.