Home / 29,183.07-40,216.46-21,212.67

Finding the Fourth Proportional to 29,183.07, 40,216.46 and 21,212.67

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Solution

The fourth proportional to 29,183.07, 40,216.46 and 21,212.67 is: 29,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,183.07 : 40,216.46 = 21,212.67 : x
  2. Step 2: Convert to fraction form
    29,183.07/40,216.46 = 21,212.67/x
  3. Step 3: Cross multiply
    29,183.07x = 40,216.46 × 21,212.67
  4. Step 4: Simplify right side
    29,183.07x = 853,098,388.48
  5. Step 5: Solve for x
    x = 853,098,388.48/29,183.07
  6. Step 6: Final answer
    x = 29,232.65

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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.