Home / 36,004.08-49,684.60-20,895.88

Finding the Fourth Proportional to 36,004.08, 49,684.60 and 20,895.88

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Solution

The fourth proportional to 36,004.08, 49,684.60 and 20,895.88 is: 28,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.08 : 49,684.60 = 20,895.88 : x
  2. Step 2: Convert to fraction form
    36,004.08/49,684.60 = 20,895.88/x
  3. Step 3: Cross multiply
    36,004.08x = 49,684.60 × 20,895.88
  4. Step 4: Simplify right side
    36,004.08x = 1,038,203,439.45
  5. Step 5: Solve for x
    x = 1,038,203,439.45/36,004.08
  6. Step 6: Final answer
    x = 28,835.72

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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.