Home / 31,418.46-43,358.22-17,271.60

Finding the Fourth Proportional to 31,418.46, 43,358.22 and 17,271.60

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Solution

The fourth proportional to 31,418.46, 43,358.22 and 17,271.60 is: 23,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.46 : 43,358.22 = 17,271.60 : x
  2. Step 2: Convert to fraction form
    31,418.46/43,358.22 = 17,271.60/x
  3. Step 3: Cross multiply
    31,418.46x = 43,358.22 × 17,271.60
  4. Step 4: Simplify right side
    31,418.46x = 748,865,832.55
  5. Step 5: Solve for x
    x = 748,865,832.55/31,418.46
  6. Step 6: Final answer
    x = 23,835.22

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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.