Home / 43,791.64-65,691.08-18,832.28

Finding the Fourth Proportional to 43,791.64, 65,691.08 and 18,832.28

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Solution

The fourth proportional to 43,791.64, 65,691.08 and 18,832.28 is: 28,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,791.64 : 65,691.08 = 18,832.28 : x
  2. Step 2: Convert to fraction form
    43,791.64/65,691.08 = 18,832.28/x
  3. Step 3: Cross multiply
    43,791.64x = 65,691.08 × 18,832.28
  4. Step 4: Simplify right side
    43,791.64x = 1,237,112,812.06
  5. Step 5: Solve for x
    x = 1,237,112,812.06/43,791.64
  6. Step 6: Final answer
    x = 28,249.98

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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.