Home / 31,464.08-43,418.64-18,032.48

Finding the Fourth Proportional to 31,464.08, 43,418.64 and 18,032.48

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Solution

The fourth proportional to 31,464.08, 43,418.64 and 18,032.48 is: 24,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.08 : 43,418.64 = 18,032.48 : x
  2. Step 2: Convert to fraction form
    31,464.08/43,418.64 = 18,032.48/x
  3. Step 3: Cross multiply
    31,464.08x = 43,418.64 × 18,032.48
  4. Step 4: Simplify right side
    31,464.08x = 782,945,757.43
  5. Step 5: Solve for x
    x = 782,945,757.43/31,464.08
  6. Step 6: Final answer
    x = 24,883.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.