Home / 36,137.53-54,192.81-12,438.37

Finding the Fourth Proportional to 36,137.53, 54,192.81 and 12,438.37

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Solution

The fourth proportional to 36,137.53, 54,192.81 and 12,438.37 is: 18,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,137.53 : 54,192.81 = 12,438.37 : x
  2. Step 2: Convert to fraction form
    36,137.53/54,192.81 = 12,438.37/x
  3. Step 3: Cross multiply
    36,137.53x = 54,192.81 × 12,438.37
  4. Step 4: Simplify right side
    36,137.53x = 674,070,222.12
  5. Step 5: Solve for x
    x = 674,070,222.12/36,137.53
  6. Step 6: Final answer
    x = 18,652.91

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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.