Home / 49,538.79-68,361.37-28,319.42

Finding the Fourth Proportional to 49,538.79, 68,361.37 and 28,319.42

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Solution

The fourth proportional to 49,538.79, 68,361.37 and 28,319.42 is: 39,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.79 : 68,361.37 = 28,319.42 : x
  2. Step 2: Convert to fraction form
    49,538.79/68,361.37 = 28,319.42/x
  3. Step 3: Cross multiply
    49,538.79x = 68,361.37 × 28,319.42
  4. Step 4: Simplify right side
    49,538.79x = 1,935,954,448.91
  5. Step 5: Solve for x
    x = 1,935,954,448.91/49,538.79
  6. Step 6: Final answer
    x = 39,079.57

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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.