Home / 34,328.46-51,512.15-18,533.28

Finding the Fourth Proportional to 34,328.46, 51,512.15 and 18,533.28

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Solution

The fourth proportional to 34,328.46, 51,512.15 and 18,533.28 is: 27,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,328.46 : 51,512.15 = 18,533.28 : x
  2. Step 2: Convert to fraction form
    34,328.46/51,512.15 = 18,533.28/x
  3. Step 3: Cross multiply
    34,328.46x = 51,512.15 × 18,533.28
  4. Step 4: Simplify right side
    34,328.46x = 954,689,099.35
  5. Step 5: Solve for x
    x = 954,689,099.35/34,328.46
  6. Step 6: Final answer
    x = 27,810.43

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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.