Home / 38,959.27-53,763.81-21,054.27

Finding the Fourth Proportional to 38,959.27, 53,763.81 and 21,054.27

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Solution

The fourth proportional to 38,959.27, 53,763.81 and 21,054.27 is: 29,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,959.27 : 53,763.81 = 21,054.27 : x
  2. Step 2: Convert to fraction form
    38,959.27/53,763.81 = 21,054.27/x
  3. Step 3: Cross multiply
    38,959.27x = 53,763.81 × 21,054.27
  4. Step 4: Simplify right side
    38,959.27x = 1,131,957,771.97
  5. Step 5: Solve for x
    x = 1,131,957,771.97/38,959.27
  6. Step 6: Final answer
    x = 29,054.90

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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.