Home / 36,554.88-50,446.64-20,639.56

Finding the Fourth Proportional to 36,554.88, 50,446.64 and 20,639.56

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Solution

The fourth proportional to 36,554.88, 50,446.64 and 20,639.56 is: 28,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,554.88 : 50,446.64 = 20,639.56 : x
  2. Step 2: Convert to fraction form
    36,554.88/50,446.64 = 20,639.56/x
  3. Step 3: Cross multiply
    36,554.88x = 50,446.64 × 20,639.56
  4. Step 4: Simplify right side
    36,554.88x = 1,041,196,453.08
  5. Step 5: Solve for x
    x = 1,041,196,453.08/36,554.88
  6. Step 6: Final answer
    x = 28,483.10

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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.