Home / 34,152.96-51,220.80-15,422.40

Finding the Fourth Proportional to 34,152.96, 51,220.80 and 15,422.40

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Solution

The fourth proportional to 34,152.96, 51,220.80 and 15,422.40 is: 23,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.96 : 51,220.80 = 15,422.40 : x
  2. Step 2: Convert to fraction form
    34,152.96/51,220.80 = 15,422.40/x
  3. Step 3: Cross multiply
    34,152.96x = 51,220.80 × 15,422.40
  4. Step 4: Simplify right side
    34,152.96x = 789,947,665.92
  5. Step 5: Solve for x
    x = 789,947,665.92/34,152.96
  6. Step 6: Final answer
    x = 23,129.70

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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.