Home / 39,773.48-54,887.44-21,868.80

Finding the Fourth Proportional to 39,773.48, 54,887.44 and 21,868.80

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Solution

The fourth proportional to 39,773.48, 54,887.44 and 21,868.80 is: 30,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.48 : 54,887.44 = 21,868.80 : x
  2. Step 2: Convert to fraction form
    39,773.48/54,887.44 = 21,868.80/x
  3. Step 3: Cross multiply
    39,773.48x = 54,887.44 × 21,868.80
  4. Step 4: Simplify right side
    39,773.48x = 1,200,322,447.87
  5. Step 5: Solve for x
    x = 1,200,322,447.87/39,773.48
  6. Step 6: Final answer
    x = 30,178.96

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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.