Home / 38,907.81-58,379.93-19,175.60

Finding the Fourth Proportional to 38,907.81, 58,379.93 and 19,175.60

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Solution

The fourth proportional to 38,907.81, 58,379.93 and 19,175.60 is: 28,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.81 : 58,379.93 = 19,175.60 : x
  2. Step 2: Convert to fraction form
    38,907.81/58,379.93 = 19,175.60/x
  3. Step 3: Cross multiply
    38,907.81x = 58,379.93 × 19,175.60
  4. Step 4: Simplify right side
    38,907.81x = 1,119,470,185.71
  5. Step 5: Solve for x
    x = 1,119,470,185.71/38,907.81
  6. Step 6: Final answer
    x = 28,772.38

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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.