Home / 43,672.02-65,453.22-18,682.68

Finding the Fourth Proportional to 43,672.02, 65,453.22 and 18,682.68

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Solution

The fourth proportional to 43,672.02, 65,453.22 and 18,682.68 is: 28,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.02 : 65,453.22 = 18,682.68 : x
  2. Step 2: Convert to fraction form
    43,672.02/65,453.22 = 18,682.68/x
  3. Step 3: Cross multiply
    43,672.02x = 65,453.22 × 18,682.68
  4. Step 4: Simplify right side
    43,672.02x = 1,222,841,564.23
  5. Step 5: Solve for x
    x = 1,222,841,564.23/43,672.02
  6. Step 6: Final answer
    x = 28,000.57

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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.