Home / 39,074.54-53,922.78-21,169.98

Finding the Fourth Proportional to 39,074.54, 53,922.78 and 21,169.98

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Solution

The fourth proportional to 39,074.54, 53,922.78 and 21,169.98 is: 29,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,074.54 : 53,922.78 = 21,169.98 : x
  2. Step 2: Convert to fraction form
    39,074.54/53,922.78 = 21,169.98/x
  3. Step 3: Cross multiply
    39,074.54x = 53,922.78 × 21,169.98
  4. Step 4: Simplify right side
    39,074.54x = 1,141,544,174.14
  5. Step 5: Solve for x
    x = 1,141,544,174.14/39,074.54
  6. Step 6: Final answer
    x = 29,214.53

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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.