Home / 36,123.08-54,186.74-13,936.57

Finding the Fourth Proportional to 36,123.08, 54,186.74 and 13,936.57

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Solution

The fourth proportional to 36,123.08, 54,186.74 and 13,936.57 is: 20,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.08 : 54,186.74 = 13,936.57 : x
  2. Step 2: Convert to fraction form
    36,123.08/54,186.74 = 13,936.57/x
  3. Step 3: Cross multiply
    36,123.08x = 54,186.74 × 13,936.57
  4. Step 4: Simplify right side
    36,123.08x = 755,177,142.19
  5. Step 5: Solve for x
    x = 755,177,142.19/36,123.08
  6. Step 6: Final answer
    x = 20,905.67

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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.