Home / 38,907.46-58,379.42-19,175.25

Finding the Fourth Proportional to 38,907.46, 58,379.42 and 19,175.25

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Solution

The fourth proportional to 38,907.46, 58,379.42 and 19,175.25 is: 28,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.46 : 58,379.42 = 19,175.25 : x
  2. Step 2: Convert to fraction form
    38,907.46/58,379.42 = 19,175.25/x
  3. Step 3: Cross multiply
    38,907.46x = 58,379.42 × 19,175.25
  4. Step 4: Simplify right side
    38,907.46x = 1,119,439,973.36
  5. Step 5: Solve for x
    x = 1,119,439,973.36/38,907.46
  6. Step 6: Final answer
    x = 28,771.86

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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.