Home / 33,121.48-49,686.66-12,058.78

Finding the Fourth Proportional to 33,121.48, 49,686.66 and 12,058.78

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Solution

The fourth proportional to 33,121.48, 49,686.66 and 12,058.78 is: 18,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.48 : 49,686.66 = 12,058.78 : x
  2. Step 2: Convert to fraction form
    33,121.48/49,686.66 = 12,058.78/x
  3. Step 3: Cross multiply
    33,121.48x = 49,686.66 × 12,058.78
  4. Step 4: Simplify right side
    33,121.48x = 599,160,501.87
  5. Step 5: Solve for x
    x = 599,160,501.87/33,121.48
  6. Step 6: Final answer
    x = 18,089.79

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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.