Home / 51,018.35-76,533.10-17,308.70

Finding the Fourth Proportional to 51,018.35, 76,533.10 and 17,308.70

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Solution

The fourth proportional to 51,018.35, 76,533.10 and 17,308.70 is: 25,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.35 : 76,533.10 = 17,308.70 : x
  2. Step 2: Convert to fraction form
    51,018.35/76,533.10 = 17,308.70/x
  3. Step 3: Cross multiply
    51,018.35x = 76,533.10 × 17,308.70
  4. Step 4: Simplify right side
    51,018.35x = 1,324,688,856.89
  5. Step 5: Solve for x
    x = 1,324,688,856.89/51,018.35
  6. Step 6: Final answer
    x = 25,964.95

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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.