Home / 31,004.26-42,709.95-22,481.35

Finding the Fourth Proportional to 31,004.26, 42,709.95 and 22,481.35

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Solution

The fourth proportional to 31,004.26, 42,709.95 and 22,481.35 is: 30,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004.26 : 42,709.95 = 22,481.35 : x
  2. Step 2: Convert to fraction form
    31,004.26/42,709.95 = 22,481.35/x
  3. Step 3: Cross multiply
    31,004.26x = 42,709.95 × 22,481.35
  4. Step 4: Simplify right side
    31,004.26x = 960,177,227.66
  5. Step 5: Solve for x
    x = 960,177,227.66/31,004.26
  6. Step 6: Final answer
    x = 30,969.21

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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.