Home / 30,229.22-41,721.48-19,471.04

Finding the Fourth Proportional to 30,229.22, 41,721.48 and 19,471.04

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Solution

The fourth proportional to 30,229.22, 41,721.48 and 19,471.04 is: 26,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.22 : 41,721.48 = 19,471.04 : x
  2. Step 2: Convert to fraction form
    30,229.22/41,721.48 = 19,471.04/x
  3. Step 3: Cross multiply
    30,229.22x = 41,721.48 × 19,471.04
  4. Step 4: Simplify right side
    30,229.22x = 812,360,605.94
  5. Step 5: Solve for x
    x = 812,360,605.94/30,229.22
  6. Step 6: Final answer
    x = 26,873.36

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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.