Home / 33,038.19-49,556.86-8,078.45

Finding the Fourth Proportional to 33,038.19, 49,556.86 and 8,078.45

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Solution

The fourth proportional to 33,038.19, 49,556.86 and 8,078.45 is: 12,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,038.19 : 49,556.86 = 8,078.45 : x
  2. Step 2: Convert to fraction form
    33,038.19/49,556.86 = 8,078.45/x
  3. Step 3: Cross multiply
    33,038.19x = 49,556.86 × 8,078.45
  4. Step 4: Simplify right side
    33,038.19x = 400,342,347.69
  5. Step 5: Solve for x
    x = 400,342,347.69/33,038.19
  6. Step 6: Final answer
    x = 12,117.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.