Home / 36,340.96-50,139.24-21,222.68

Finding the Fourth Proportional to 36,340.96, 50,139.24 and 21,222.68

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Solution

The fourth proportional to 36,340.96, 50,139.24 and 21,222.68 is: 29,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,340.96 : 50,139.24 = 21,222.68 : x
  2. Step 2: Convert to fraction form
    36,340.96/50,139.24 = 21,222.68/x
  3. Step 3: Cross multiply
    36,340.96x = 50,139.24 × 21,222.68
  4. Step 4: Simplify right side
    36,340.96x = 1,064,089,045.96
  5. Step 5: Solve for x
    x = 1,064,089,045.96/36,340.96
  6. Step 6: Final answer
    x = 29,280.71

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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.