Home / 33,078.15-45,645.48-18,733.86

Finding the Fourth Proportional to 33,078.15, 45,645.48 and 18,733.86

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Solution

The fourth proportional to 33,078.15, 45,645.48 and 18,733.86 is: 25,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.15 : 45,645.48 = 18,733.86 : x
  2. Step 2: Convert to fraction form
    33,078.15/45,645.48 = 18,733.86/x
  3. Step 3: Cross multiply
    33,078.15x = 45,645.48 × 18,733.86
  4. Step 4: Simplify right side
    33,078.15x = 855,116,031.95
  5. Step 5: Solve for x
    x = 855,116,031.95/33,078.15
  6. Step 6: Final answer
    x = 25,851.39

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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.