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Finding the Fourth Proportional to 34,655.70, 51,983.07 and 8,360.22

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Solution

The fourth proportional to 34,655.70, 51,983.07 and 8,360.22 is: 12,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,655.70 : 51,983.07 = 8,360.22 : x
  2. Step 2: Convert to fraction form
    34,655.70/51,983.07 = 8,360.22/x
  3. Step 3: Cross multiply
    34,655.70x = 51,983.07 × 8,360.22
  4. Step 4: Simplify right side
    34,655.70x = 434,589,901.48
  5. Step 5: Solve for x
    x = 434,589,901.48/34,655.70
  6. Step 6: Final answer
    x = 12,540.21

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1.5x scale

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.