Home / 31,628.55-43,647.40-17,481.39

Finding the Fourth Proportional to 31,628.55, 43,647.40 and 17,481.39

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Solution

The fourth proportional to 31,628.55, 43,647.40 and 17,481.39 is: 24,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.55 : 43,647.40 = 17,481.39 : x
  2. Step 2: Convert to fraction form
    31,628.55/43,647.40 = 17,481.39/x
  3. Step 3: Cross multiply
    31,628.55x = 43,647.40 × 17,481.39
  4. Step 4: Simplify right side
    31,628.55x = 763,017,221.89
  5. Step 5: Solve for x
    x = 763,017,221.89/31,628.55
  6. Step 6: Final answer
    x = 24,124.32

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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.