Home / 43,842.99-65,774.24-20,456.67

Finding the Fourth Proportional to 43,842.99, 65,774.24 and 20,456.67

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Solution

The fourth proportional to 43,842.99, 65,774.24 and 20,456.67 is: 30,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,842.99 : 65,774.24 = 20,456.67 : x
  2. Step 2: Convert to fraction form
    43,842.99/65,774.24 = 20,456.67/x
  3. Step 3: Cross multiply
    43,842.99x = 65,774.24 × 20,456.67
  4. Step 4: Simplify right side
    43,842.99x = 1,345,522,066.55
  5. Step 5: Solve for x
    x = 1,345,522,066.55/43,842.99
  6. Step 6: Final answer
    x = 30,689.56

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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.