Home / 52,408.89-78,589.13-16,863.59

Finding the Fourth Proportional to 52,408.89, 78,589.13 and 16,863.59

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Solution

The fourth proportional to 52,408.89, 78,589.13 and 16,863.59 is: 25,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.89 : 78,589.13 = 16,863.59 : x
  2. Step 2: Convert to fraction form
    52,408.89/78,589.13 = 16,863.59/x
  3. Step 3: Cross multiply
    52,408.89x = 78,589.13 × 16,863.59
  4. Step 4: Simplify right side
    52,408.89x = 1,325,294,866.78
  5. Step 5: Solve for x
    x = 1,325,294,866.78/52,408.89
  6. Step 6: Final answer
    x = 25,287.60

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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.