Home / 36,921.36-55,379.34-14,427.81

Finding the Fourth Proportional to 36,921.36, 55,379.34 and 14,427.81

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Solution

The fourth proportional to 36,921.36, 55,379.34 and 14,427.81 is: 21,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.36 : 55,379.34 = 14,427.81 : x
  2. Step 2: Convert to fraction form
    36,921.36/55,379.34 = 14,427.81/x
  3. Step 3: Cross multiply
    36,921.36x = 55,379.34 × 14,427.81
  4. Step 4: Simplify right side
    36,921.36x = 799,002,318.55
  5. Step 5: Solve for x
    x = 799,002,318.55/36,921.36
  6. Step 6: Final answer
    x = 21,640.66

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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.