Home / 38,922.22-53,713.78-21,926.65

Finding the Fourth Proportional to 38,922.22, 53,713.78 and 21,926.65

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Solution

The fourth proportional to 38,922.22, 53,713.78 and 21,926.65 is: 30,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.22 : 53,713.78 = 21,926.65 : x
  2. Step 2: Convert to fraction form
    38,922.22/53,713.78 = 21,926.65/x
  3. Step 3: Cross multiply
    38,922.22x = 53,713.78 × 21,926.65
  4. Step 4: Simplify right side
    38,922.22x = 1,177,763,289.19
  5. Step 5: Solve for x
    x = 1,177,763,289.19/38,922.22
  6. Step 6: Final answer
    x = 30,259.41

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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.