Home / 51,486.89-77,217.37-16,408.49

Finding the Fourth Proportional to 51,486.89, 77,217.37 and 16,408.49

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Solution

The fourth proportional to 51,486.89, 77,217.37 and 16,408.49 is: 24,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.89 : 77,217.37 = 16,408.49 : x
  2. Step 2: Convert to fraction form
    51,486.89/77,217.37 = 16,408.49/x
  3. Step 3: Cross multiply
    51,486.89x = 77,217.37 × 16,408.49
  4. Step 4: Simplify right side
    51,486.89x = 1,267,020,016.36
  5. Step 5: Solve for x
    x = 1,267,020,016.36/51,486.89
  6. Step 6: Final answer
    x = 24,608.60

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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.