Home / 43,588.28-65,372.69-20,211.68

Finding the Fourth Proportional to 43,588.28, 65,372.69 and 20,211.68

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Solution

The fourth proportional to 43,588.28, 65,372.69 and 20,211.68 is: 30,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,588.28 : 65,372.69 = 20,211.68 : x
  2. Step 2: Convert to fraction form
    43,588.28/65,372.69 = 20,211.68/x
  3. Step 3: Cross multiply
    43,588.28x = 65,372.69 × 20,211.68
  4. Step 4: Simplify right side
    43,588.28x = 1,321,291,891.02
  5. Step 5: Solve for x
    x = 1,321,291,891.02/43,588.28
  6. Step 6: Final answer
    x = 30,313.01

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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.