Home / 36,047.61-49,745.81-20,132.66

Finding the Fourth Proportional to 36,047.61, 49,745.81 and 20,132.66

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Solution

The fourth proportional to 36,047.61, 49,745.81 and 20,132.66 is: 27,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.61 : 49,745.81 = 20,132.66 : x
  2. Step 2: Convert to fraction form
    36,047.61/49,745.81 = 20,132.66/x
  3. Step 3: Cross multiply
    36,047.61x = 49,745.81 × 20,132.66
  4. Step 4: Simplify right side
    36,047.61x = 1,001,515,479.15
  5. Step 5: Solve for x
    x = 1,001,515,479.15/36,047.61
  6. Step 6: Final answer
    x = 27,783.13

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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.