Home / 39,849.03-54,992.02-21,944.68

Finding the Fourth Proportional to 39,849.03, 54,992.02 and 21,944.68

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Solution

The fourth proportional to 39,849.03, 54,992.02 and 21,944.68 is: 30,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.03 : 54,992.02 = 21,944.68 : x
  2. Step 2: Convert to fraction form
    39,849.03/54,992.02 = 21,944.68/x
  3. Step 3: Cross multiply
    39,849.03x = 54,992.02 × 21,944.68
  4. Step 4: Simplify right side
    39,849.03x = 1,206,782,281.45
  5. Step 5: Solve for x
    x = 1,206,782,281.45/39,849.03
  6. Step 6: Final answer
    x = 30,283.86

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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.