Home / 36,686.12-50,626.34-20,770.60

Finding the Fourth Proportional to 36,686.12, 50,626.34 and 20,770.60

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Solution

The fourth proportional to 36,686.12, 50,626.34 and 20,770.60 is: 28,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.12 : 50,626.34 = 20,770.60 : x
  2. Step 2: Convert to fraction form
    36,686.12/50,626.34 = 20,770.60/x
  3. Step 3: Cross multiply
    36,686.12x = 50,626.34 × 20,770.60
  4. Step 4: Simplify right side
    36,686.12x = 1,051,539,457.60
  5. Step 5: Solve for x
    x = 1,051,539,457.60/36,686.12
  6. Step 6: Final answer
    x = 28,663.14

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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.