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Finding the Fourth Proportional to 34,315.60, 51,408.60 and 17,618.80

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Solution

The fourth proportional to 34,315.60, 51,408.60 and 17,618.80 is: 26,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,315.60 : 51,408.60 = 17,618.80 : x
  2. Step 2: Convert to fraction form
    34,315.60/51,408.60 = 17,618.80/x
  3. Step 3: Cross multiply
    34,315.60x = 51,408.60 × 17,618.80
  4. Step 4: Simplify right side
    34,315.60x = 905,757,841.68
  5. Step 5: Solve for x
    x = 905,757,841.68/34,315.60
  6. Step 6: Final answer
    x = 26,394.93

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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.