Home / 31,679.60-43,717.84-17,339.42

Finding the Fourth Proportional to 31,679.60, 43,717.84 and 17,339.42

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Solution

The fourth proportional to 31,679.60, 43,717.84 and 17,339.42 is: 23,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.60 : 43,717.84 = 17,339.42 : x
  2. Step 2: Convert to fraction form
    31,679.60/43,717.84 = 17,339.42/x
  3. Step 3: Cross multiply
    31,679.60x = 43,717.84 × 17,339.42
  4. Step 4: Simplify right side
    31,679.60x = 758,042,055.20
  5. Step 5: Solve for x
    x = 758,042,055.20/31,679.60
  6. Step 6: Final answer
    x = 23,928.40

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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.