Home / 36,719.28-50,672.43-20,803.70

Finding the Fourth Proportional to 36,719.28, 50,672.43 and 20,803.70

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Solution

The fourth proportional to 36,719.28, 50,672.43 and 20,803.70 is: 28,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.28 : 50,672.43 = 20,803.70 : x
  2. Step 2: Convert to fraction form
    36,719.28/50,672.43 = 20,803.70/x
  3. Step 3: Cross multiply
    36,719.28x = 50,672.43 × 20,803.70
  4. Step 4: Simplify right side
    36,719.28x = 1,054,173,778.63
  5. Step 5: Solve for x
    x = 1,054,173,778.63/36,719.28
  6. Step 6: Final answer
    x = 28,709.00

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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.