Home / 43,844.12-65,775.92-20,457.80

Finding the Fourth Proportional to 43,844.12, 65,775.92 and 20,457.80

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Solution

The fourth proportional to 43,844.12, 65,775.92 and 20,457.80 is: 30,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,844.12 : 65,775.92 = 20,457.80 : x
  2. Step 2: Convert to fraction form
    43,844.12/65,775.92 = 20,457.80/x
  3. Step 3: Cross multiply
    43,844.12x = 65,775.92 × 20,457.80
  4. Step 4: Simplify right side
    43,844.12x = 1,345,630,185.01
  5. Step 5: Solve for x
    x = 1,345,630,185.01/43,844.12
  6. Step 6: Final answer
    x = 30,691.24

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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.