Home / 43,690.46-65,457.92-18,334.22

Finding the Fourth Proportional to 43,690.46, 65,457.92 and 18,334.22

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Solution

The fourth proportional to 43,690.46, 65,457.92 and 18,334.22 is: 27,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.46 : 65,457.92 = 18,334.22 : x
  2. Step 2: Convert to fraction form
    43,690.46/65,457.92 = 18,334.22/x
  3. Step 3: Cross multiply
    43,690.46x = 65,457.92 × 18,334.22
  4. Step 4: Simplify right side
    43,690.46x = 1,200,119,624.57
  5. Step 5: Solve for x
    x = 1,200,119,624.57/43,690.46
  6. Step 6: Final answer
    x = 27,468.69

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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.