Home / 50,820.41-76,216.84-21,232.05

Finding the Fourth Proportional to 50,820.41, 76,216.84 and 21,232.05

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Solution

The fourth proportional to 50,820.41, 76,216.84 and 21,232.05 is: 31,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.41 : 76,216.84 = 21,232.05 : x
  2. Step 2: Convert to fraction form
    50,820.41/76,216.84 = 21,232.05/x
  3. Step 3: Cross multiply
    50,820.41x = 76,216.84 × 21,232.05
  4. Step 4: Simplify right side
    50,820.41x = 1,618,239,651.56
  5. Step 5: Solve for x
    x = 1,618,239,651.56/50,820.41
  6. Step 6: Final answer
    x = 31,842.32

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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.