Home / 72,027.44-99,403.37-39,768.27

Finding the Fourth Proportional to 72,027.44, 99,403.37 and 39,768.27

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Solution

The fourth proportional to 72,027.44, 99,403.37 and 39,768.27 is: 54,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,027.44 : 99,403.37 = 39,768.27 : x
  2. Step 2: Convert to fraction form
    72,027.44/99,403.37 = 39,768.27/x
  3. Step 3: Cross multiply
    72,027.44x = 99,403.37 × 39,768.27
  4. Step 4: Simplify right side
    72,027.44x = 3,953,099,858.23
  5. Step 5: Solve for x
    x = 3,953,099,858.23/72,027.44
  6. Step 6: Final answer
    x = 54,883.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.