Home / 47,607.44-71,420.19-19,146.57

Finding the Fourth Proportional to 47,607.44, 71,420.19 and 19,146.57

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Solution

The fourth proportional to 47,607.44, 71,420.19 and 19,146.57 is: 28,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,607.44 : 71,420.19 = 19,146.57 : x
  2. Step 2: Convert to fraction form
    47,607.44/71,420.19 = 19,146.57/x
  3. Step 3: Cross multiply
    47,607.44x = 71,420.19 × 19,146.57
  4. Step 4: Simplify right side
    47,607.44x = 1,367,451,667.25
  5. Step 5: Solve for x
    x = 1,367,451,667.25/47,607.44
  6. Step 6: Final answer
    x = 28,723.49

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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.