Home / 36,379.19-50,202.53-21,280.79

Finding the Fourth Proportional to 36,379.19, 50,202.53 and 21,280.79

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Solution

The fourth proportional to 36,379.19, 50,202.53 and 21,280.79 is: 29,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.19 : 50,202.53 = 21,280.79 : x
  2. Step 2: Convert to fraction form
    36,379.19/50,202.53 = 21,280.79/x
  3. Step 3: Cross multiply
    36,379.19x = 50,202.53 × 21,280.79
  4. Step 4: Simplify right side
    36,379.19x = 1,068,349,300.59
  5. Step 5: Solve for x
    x = 1,068,349,300.59/36,379.19
  6. Step 6: Final answer
    x = 29,367.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.