Home / 36,243.03-50,018.40-20,111.86

Finding the Fourth Proportional to 36,243.03, 50,018.40 and 20,111.86

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Solution

The fourth proportional to 36,243.03, 50,018.40 and 20,111.86 is: 27,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243.03 : 50,018.40 = 20,111.86 : x
  2. Step 2: Convert to fraction form
    36,243.03/50,018.40 = 20,111.86/x
  3. Step 3: Cross multiply
    36,243.03x = 50,018.40 × 20,111.86
  4. Step 4: Simplify right side
    36,243.03x = 1,005,962,881.45
  5. Step 5: Solve for x
    x = 1,005,962,881.45/36,243.03
  6. Step 6: Final answer
    x = 27,756.04

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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.