Home / 39,778.51-54,894.24-22,788.25

Finding the Fourth Proportional to 39,778.51, 54,894.24 and 22,788.25

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Solution

The fourth proportional to 39,778.51, 54,894.24 and 22,788.25 is: 31,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.51 : 54,894.24 = 22,788.25 : x
  2. Step 2: Convert to fraction form
    39,778.51/54,894.24 = 22,788.25/x
  3. Step 3: Cross multiply
    39,778.51x = 54,894.24 × 22,788.25
  4. Step 4: Simplify right side
    39,778.51x = 1,250,943,664.68
  5. Step 5: Solve for x
    x = 1,250,943,664.68/39,778.51
  6. Step 6: Final answer
    x = 31,447.73

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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.