Home / 36,867.76-50,877.40-20,100.76

Finding the Fourth Proportional to 36,867.76, 50,877.40 and 20,100.76

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Solution

The fourth proportional to 36,867.76, 50,877.40 and 20,100.76 is: 27,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.76 : 50,877.40 = 20,100.76 : x
  2. Step 2: Convert to fraction form
    36,867.76/50,877.40 = 20,100.76/x
  3. Step 3: Cross multiply
    36,867.76x = 50,877.40 × 20,100.76
  4. Step 4: Simplify right side
    36,867.76x = 1,022,674,406.82
  5. Step 5: Solve for x
    x = 1,022,674,406.82/36,867.76
  6. Step 6: Final answer
    x = 27,738.99

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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.