Home / 38,907.87-58,380.03-19,175.66

Finding the Fourth Proportional to 38,907.87, 58,380.03 and 19,175.66

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Solution

The fourth proportional to 38,907.87, 58,380.03 and 19,175.66 is: 28,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.87 : 58,380.03 = 19,175.66 : x
  2. Step 2: Convert to fraction form
    38,907.87/58,380.03 = 19,175.66/x
  3. Step 3: Cross multiply
    38,907.87x = 58,380.03 × 19,175.66
  4. Step 4: Simplify right side
    38,907.87x = 1,119,475,461.19
  5. Step 5: Solve for x
    x = 1,119,475,461.19/38,907.87
  6. Step 6: Final answer
    x = 28,772.47

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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.