Home / 38,852,285-53,614,745.04-21,448,255.64

Finding the Fourth Proportional to 38,852,285, 53,614,745.04 and 21,448,255.64

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Solution

The fourth proportional to 38,852,285, 53,614,745.04 and 21,448,255.64 is: 29,597,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,285 : 53,614,745.04 = 21,448,255.64 : x
  2. Step 2: Convert to fraction form
    38,852,285/53,614,745.04 = 21,448,255.64/x
  3. Step 3: Cross multiply
    38,852,285x = 53,614,745.04 × 21,448,255.64
  4. Step 4: Simplify right side
    38,852,285x = 1,149,942,757,691,342
  5. Step 5: Solve for x
    x = 1,149,942,757,691,342/38,852,285
  6. Step 6: Final answer
    x = 29,597,815.36

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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.