Home / 39,799.52-54,922.94-21,894.55

Finding the Fourth Proportional to 39,799.52, 54,922.94 and 21,894.55

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Solution

The fourth proportional to 39,799.52, 54,922.94 and 21,894.55 is: 30,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.52 : 54,922.94 = 21,894.55 : x
  2. Step 2: Convert to fraction form
    39,799.52/54,922.94 = 21,894.55/x
  3. Step 3: Cross multiply
    39,799.52x = 54,922.94 × 21,894.55
  4. Step 4: Simplify right side
    39,799.52x = 1,202,513,055.98
  5. Step 5: Solve for x
    x = 1,202,513,055.98/39,799.52
  6. Step 6: Final answer
    x = 30,214.26

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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.