Home / 36,840.80-55,250.26-13,461.78

Finding the Fourth Proportional to 36,840.80, 55,250.26 and 13,461.78

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Solution

The fourth proportional to 36,840.80, 55,250.26 and 13,461.78 is: 20,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.80 : 55,250.26 = 13,461.78 : x
  2. Step 2: Convert to fraction form
    36,840.80/55,250.26 = 13,461.78/x
  3. Step 3: Cross multiply
    36,840.80x = 55,250.26 × 13,461.78
  4. Step 4: Simplify right side
    36,840.80x = 743,766,845.06
  5. Step 5: Solve for x
    x = 743,766,845.06/36,840.80
  6. Step 6: Final answer
    x = 20,188.67

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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.