Home / 31,418.08-43,357.07-17,078.04

Finding the Fourth Proportional to 31,418.08, 43,357.07 and 17,078.04

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Solution

The fourth proportional to 31,418.08, 43,357.07 and 17,078.04 is: 23,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.08 : 43,357.07 = 17,078.04 : x
  2. Step 2: Convert to fraction form
    31,418.08/43,357.07 = 17,078.04/x
  3. Step 3: Cross multiply
    31,418.08x = 43,357.07 × 17,078.04
  4. Step 4: Simplify right side
    31,418.08x = 740,453,818.44
  5. Step 5: Solve for x
    x = 740,453,818.44/31,418.08
  6. Step 6: Final answer
    x = 23,567.76

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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.