Home / 47,928.02-71,879.70-19,855.94

Finding the Fourth Proportional to 47,928.02, 71,879.70 and 19,855.94

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Solution

The fourth proportional to 47,928.02, 71,879.70 and 19,855.94 is: 29,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.02 : 71,879.70 = 19,855.94 : x
  2. Step 2: Convert to fraction form
    47,928.02/71,879.70 = 19,855.94/x
  3. Step 3: Cross multiply
    47,928.02x = 71,879.70 × 19,855.94
  4. Step 4: Simplify right side
    47,928.02x = 1,427,239,010.42
  5. Step 5: Solve for x
    x = 1,427,239,010.42/47,928.02
  6. Step 6: Final answer
    x = 29,778.80

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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.