Home / 43,729.04-65,580.74-20,023.18

Finding the Fourth Proportional to 43,729.04, 65,580.74 and 20,023.18

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Solution

The fourth proportional to 43,729.04, 65,580.74 and 20,023.18 is: 30,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729.04 : 65,580.74 = 20,023.18 : x
  2. Step 2: Convert to fraction form
    43,729.04/65,580.74 = 20,023.18/x
  3. Step 3: Cross multiply
    43,729.04x = 65,580.74 × 20,023.18
  4. Step 4: Simplify right side
    43,729.04x = 1,313,134,961.55
  5. Step 5: Solve for x
    x = 1,313,134,961.55/43,729.04
  6. Step 6: Final answer
    x = 30,028.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.