Home / 38,919.15-58,394.93-19,197.95

Finding the Fourth Proportional to 38,919.15, 58,394.93 and 19,197.95

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Solution

The fourth proportional to 38,919.15, 58,394.93 and 19,197.95 is: 28,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.15 : 58,394.93 = 19,197.95 : x
  2. Step 2: Convert to fraction form
    38,919.15/58,394.93 = 19,197.95/x
  3. Step 3: Cross multiply
    38,919.15x = 58,394.93 × 19,197.95
  4. Step 4: Simplify right side
    38,919.15x = 1,121,062,558.43
  5. Step 5: Solve for x
    x = 1,121,062,558.43/38,919.15
  6. Step 6: Final answer
    x = 28,804.91

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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.