Home / 54,272.32-81,438.72-29,311.84

Finding the Fourth Proportional to 54,272.32, 81,438.72 and 29,311.84

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Solution

The fourth proportional to 54,272.32, 81,438.72 and 29,311.84 is: 43,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.32 : 81,438.72 = 29,311.84 : x
  2. Step 2: Convert to fraction form
    54,272.32/81,438.72 = 29,311.84/x
  3. Step 3: Cross multiply
    54,272.32x = 81,438.72 × 29,311.84
  4. Step 4: Simplify right side
    54,272.32x = 2,387,118,730.44
  5. Step 5: Solve for x
    x = 2,387,118,730.44/54,272.32
  6. Step 6: Final answer
    x = 43,984.09

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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.