Home / 31,267.84-43,149.63-17,121.58

Finding the Fourth Proportional to 31,267.84, 43,149.63 and 17,121.58

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Solution

The fourth proportional to 31,267.84, 43,149.63 and 17,121.58 is: 23,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.84 : 43,149.63 = 17,121.58 : x
  2. Step 2: Convert to fraction form
    31,267.84/43,149.63 = 17,121.58/x
  3. Step 3: Cross multiply
    31,267.84x = 43,149.63 × 17,121.58
  4. Step 4: Simplify right side
    31,267.84x = 738,789,842.02
  5. Step 5: Solve for x
    x = 738,789,842.02/31,267.84
  6. Step 6: Final answer
    x = 23,627.79

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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.