Home / 29,537.94-40,739.31-18,928.56

Finding the Fourth Proportional to 29,537.94, 40,739.31 and 18,928.56

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Solution

The fourth proportional to 29,537.94, 40,739.31 and 18,928.56 is: 26,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,537.94 : 40,739.31 = 18,928.56 : x
  2. Step 2: Convert to fraction form
    29,537.94/40,739.31 = 18,928.56/x
  3. Step 3: Cross multiply
    29,537.94x = 40,739.31 × 18,928.56
  4. Step 4: Simplify right side
    29,537.94x = 771,136,473.69
  5. Step 5: Solve for x
    x = 771,136,473.69/29,537.94
  6. Step 6: Final answer
    x = 26,106.64

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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.