Home / 34,124.76-51,189.82-15,415.29

Finding the Fourth Proportional to 34,124.76, 51,189.82 and 15,415.29

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Solution

The fourth proportional to 34,124.76, 51,189.82 and 15,415.29 is: 23,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,124.76 : 51,189.82 = 15,415.29 : x
  2. Step 2: Convert to fraction form
    34,124.76/51,189.82 = 15,415.29/x
  3. Step 3: Cross multiply
    34,124.76x = 51,189.82 × 15,415.29
  4. Step 4: Simplify right side
    34,124.76x = 789,105,881.81
  5. Step 5: Solve for x
    x = 789,105,881.81/34,124.76
  6. Step 6: Final answer
    x = 23,124.14

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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.