Home / 39,063.93-53,893.35-28,879.43

Finding the Fourth Proportional to 39,063.93, 53,893.35 and 28,879.43

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Solution

The fourth proportional to 39,063.93, 53,893.35 and 28,879.43 is: 39,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063.93 : 53,893.35 = 28,879.43 : x
  2. Step 2: Convert to fraction form
    39,063.93/53,893.35 = 28,879.43/x
  3. Step 3: Cross multiply
    39,063.93x = 53,893.35 × 28,879.43
  4. Step 4: Simplify right side
    39,063.93x = 1,556,408,959.32
  5. Step 5: Solve for x
    x = 1,556,408,959.32/39,063.93
  6. Step 6: Final answer
    x = 39,842.61

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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.