Home / 34,939.61-52,408.79-8,644.35

Finding the Fourth Proportional to 34,939.61, 52,408.79 and 8,644.35

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Solution

The fourth proportional to 34,939.61, 52,408.79 and 8,644.35 is: 12,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,939.61 : 52,408.79 = 8,644.35 : x
  2. Step 2: Convert to fraction form
    34,939.61/52,408.79 = 8,644.35/x
  3. Step 3: Cross multiply
    34,939.61x = 52,408.79 × 8,644.35
  4. Step 4: Simplify right side
    34,939.61x = 453,039,923.84
  5. Step 5: Solve for x
    x = 453,039,923.84/34,939.61
  6. Step 6: Final answer
    x = 12,966.37

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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.