Home / 43,614.32-65,421.54-12,449.57

Finding the Fourth Proportional to 43,614.32, 65,421.54 and 12,449.57

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Solution

The fourth proportional to 43,614.32, 65,421.54 and 12,449.57 is: 18,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,614.32 : 65,421.54 = 12,449.57 : x
  2. Step 2: Convert to fraction form
    43,614.32/65,421.54 = 12,449.57/x
  3. Step 3: Cross multiply
    43,614.32x = 65,421.54 × 12,449.57
  4. Step 4: Simplify right side
    43,614.32x = 814,469,714.63
  5. Step 5: Solve for x
    x = 814,469,714.63/43,614.32
  6. Step 6: Final answer
    x = 18,674.37

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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.