Home / 36,379.72-54,570.68-14,192.20

Finding the Fourth Proportional to 36,379.72, 54,570.68 and 14,192.20

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Solution

The fourth proportional to 36,379.72, 54,570.68 and 14,192.20 is: 21,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.72 : 54,570.68 = 14,192.20 : x
  2. Step 2: Convert to fraction form
    36,379.72/54,570.68 = 14,192.20/x
  3. Step 3: Cross multiply
    36,379.72x = 54,570.68 × 14,192.20
  4. Step 4: Simplify right side
    36,379.72x = 774,478,004.70
  5. Step 5: Solve for x
    x = 774,478,004.70/36,379.72
  6. Step 6: Final answer
    x = 21,288.73

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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.