Home / 36,112.08-49,830.48-20,196.12

Finding the Fourth Proportional to 36,112.08, 49,830.48 and 20,196.12

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Solution

The fourth proportional to 36,112.08, 49,830.48 and 20,196.12 is: 27,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.08 : 49,830.48 = 20,196.12 : x
  2. Step 2: Convert to fraction form
    36,112.08/49,830.48 = 20,196.12/x
  3. Step 3: Cross multiply
    36,112.08x = 49,830.48 × 20,196.12
  4. Step 4: Simplify right side
    36,112.08x = 1,006,382,353.74
  5. Step 5: Solve for x
    x = 1,006,382,353.74/36,112.08
  6. Step 6: Final answer
    x = 27,868.30

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Double scale
Find fourth proportional to 36,113.08, 49,831.86 and 20,197.12
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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.