Home / 36,765.10-50,734.11-20,848.30

Finding the Fourth Proportional to 36,765.10, 50,734.11 and 20,848.30

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Solution

The fourth proportional to 36,765.10, 50,734.11 and 20,848.30 is: 28,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,765.10 : 50,734.11 = 20,848.30 : x
  2. Step 2: Convert to fraction form
    36,765.10/50,734.11 = 20,848.30/x
  3. Step 3: Cross multiply
    36,765.10x = 50,734.11 × 20,848.30
  4. Step 4: Simplify right side
    36,765.10x = 1,057,719,945.51
  5. Step 5: Solve for x
    x = 1,057,719,945.51/36,765.10
  6. Step 6: Final answer
    x = 28,769.67

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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.