Home / 36,896.40-55,344.60-12,272.40

Finding the Fourth Proportional to 36,896.40, 55,344.60 and 12,272.40

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Solution

The fourth proportional to 36,896.40, 55,344.60 and 12,272.40 is: 18,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.40 : 55,344.60 = 12,272.40 : x
  2. Step 2: Convert to fraction form
    36,896.40/55,344.60 = 12,272.40/x
  3. Step 3: Cross multiply
    36,896.40x = 55,344.60 × 12,272.40
  4. Step 4: Simplify right side
    36,896.40x = 679,211,069.04
  5. Step 5: Solve for x
    x = 679,211,069.04/36,896.40
  6. Step 6: Final answer
    x = 18,408.60

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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.