Home / 30,043.91-41,416.31-22,072.30

Finding the Fourth Proportional to 30,043.91, 41,416.31 and 22,072.30

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Solution

The fourth proportional to 30,043.91, 41,416.31 and 22,072.30 is: 30,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.91 : 41,416.31 = 22,072.30 : x
  2. Step 2: Convert to fraction form
    30,043.91/41,416.31 = 22,072.30/x
  3. Step 3: Cross multiply
    30,043.91x = 41,416.31 × 22,072.30
  4. Step 4: Simplify right side
    30,043.91x = 914,153,170.85
  5. Step 5: Solve for x
    x = 914,153,170.85/30,043.91
  6. Step 6: Final answer
    x = 30,427.23

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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.