Home / 43,457.94-65,198.34-13,876.38

Finding the Fourth Proportional to 43,457.94, 65,198.34 and 13,876.38

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Solution

The fourth proportional to 43,457.94, 65,198.34 and 13,876.38 is: 20,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457.94 : 65,198.34 = 13,876.38 : x
  2. Step 2: Convert to fraction form
    43,457.94/65,198.34 = 13,876.38/x
  3. Step 3: Cross multiply
    43,457.94x = 65,198.34 × 13,876.38
  4. Step 4: Simplify right side
    43,457.94x = 904,716,941.21
  5. Step 5: Solve for x
    x = 904,716,941.21/43,457.94
  6. Step 6: Final answer
    x = 20,818.22

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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.