Home / 36,289.15-50,081.51-20,158.35

Finding the Fourth Proportional to 36,289.15, 50,081.51 and 20,158.35

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Solution

The fourth proportional to 36,289.15, 50,081.51 and 20,158.35 is: 27,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.15 : 50,081.51 = 20,158.35 : x
  2. Step 2: Convert to fraction form
    36,289.15/50,081.51 = 20,158.35/x
  3. Step 3: Cross multiply
    36,289.15x = 50,081.51 × 20,158.35
  4. Step 4: Simplify right side
    36,289.15x = 1,009,560,607.11
  5. Step 5: Solve for x
    x = 1,009,560,607.11/36,289.15
  6. Step 6: Final answer
    x = 27,819.90

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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.