Home / 36,112.32-49,834.62-20,196.86

Finding the Fourth Proportional to 36,112.32, 49,834.62 and 20,196.86

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Solution

The fourth proportional to 36,112.32, 49,834.62 and 20,196.86 is: 27,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.32 : 49,834.62 = 20,196.86 : x
  2. Step 2: Convert to fraction form
    36,112.32/49,834.62 = 20,196.86/x
  3. Step 3: Cross multiply
    36,112.32x = 49,834.62 × 20,196.86
  4. Step 4: Simplify right side
    36,112.32x = 1,006,502,594.12
  5. Step 5: Solve for x
    x = 1,006,502,594.12/36,112.32
  6. Step 6: Final answer
    x = 27,871.45

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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.