Home / 47,856.37-71,784.57-19,745.54

Finding the Fourth Proportional to 47,856.37, 71,784.57 and 19,745.54

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Solution

The fourth proportional to 47,856.37, 71,784.57 and 19,745.54 is: 29,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.37 : 71,784.57 = 19,745.54 : x
  2. Step 2: Convert to fraction form
    47,856.37/71,784.57 = 19,745.54/x
  3. Step 3: Cross multiply
    47,856.37x = 71,784.57 × 19,745.54
  4. Step 4: Simplify right side
    47,856.37x = 1,417,425,027.10
  5. Step 5: Solve for x
    x = 1,417,425,027.10/47,856.37
  6. Step 6: Final answer
    x = 29,618.32

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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.