Home / 54,232.95-81,361.58-20,950.05

Finding the Fourth Proportional to 54,232.95, 81,361.58 and 20,950.05

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Solution

The fourth proportional to 54,232.95, 81,361.58 and 20,950.05 is: 31,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,232.95 : 81,361.58 = 20,950.05 : x
  2. Step 2: Convert to fraction form
    54,232.95/81,361.58 = 20,950.05/x
  3. Step 3: Cross multiply
    54,232.95x = 81,361.58 × 20,950.05
  4. Step 4: Simplify right side
    54,232.95x = 1,704,529,064.33
  5. Step 5: Solve for x
    x = 1,704,529,064.33/54,232.95
  6. Step 6: Final answer
    x = 31,429.77

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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.