Home / 36,571.28-54,861.31-12,873.90

Finding the Fourth Proportional to 36,571.28, 54,861.31 and 12,873.90

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Solution

The fourth proportional to 36,571.28, 54,861.31 and 12,873.90 is: 19,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,571.28 : 54,861.31 = 12,873.90 : x
  2. Step 2: Convert to fraction form
    36,571.28/54,861.31 = 12,873.90/x
  3. Step 3: Cross multiply
    36,571.28x = 54,861.31 × 12,873.90
  4. Step 4: Simplify right side
    36,571.28x = 706,279,137.77
  5. Step 5: Solve for x
    x = 706,279,137.77/36,571.28
  6. Step 6: Final answer
    x = 19,312.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.