Home / 36,826.60-50,821.06-20,911.40

Finding the Fourth Proportional to 36,826.60, 50,821.06 and 20,911.40

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Solution

The fourth proportional to 36,826.60, 50,821.06 and 20,911.40 is: 28,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,826.60 : 50,821.06 = 20,911.40 : x
  2. Step 2: Convert to fraction form
    36,826.60/50,821.06 = 20,911.40/x
  3. Step 3: Cross multiply
    36,826.60x = 50,821.06 × 20,911.40
  4. Step 4: Simplify right side
    36,826.60x = 1,062,739,514.08
  5. Step 5: Solve for x
    x = 1,062,739,514.08/36,826.60
  6. Step 6: Final answer
    x = 28,857.93

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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.