Home / 36,163-49,909.92-21,823.56

Finding the Fourth Proportional to 36,163, 49,909.92 and 21,823.56

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Solution

The fourth proportional to 36,163, 49,909.92 and 21,823.56 is: 30,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163 : 49,909.92 = 21,823.56 : x
  2. Step 2: Convert to fraction form
    36,163/49,909.92 = 21,823.56/x
  3. Step 3: Cross multiply
    36,163x = 49,909.92 × 21,823.56
  4. Step 4: Simplify right side
    36,163x = 1,089,212,133.72
  5. Step 5: Solve for x
    x = 1,089,212,133.72/36,163
  6. Step 6: Final answer
    x = 30,119.52

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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.