Home / 30,396.08-41,945.49-19,071.68

Finding the Fourth Proportional to 30,396.08, 41,945.49 and 19,071.68

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Solution

The fourth proportional to 30,396.08, 41,945.49 and 19,071.68 is: 26,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,396.08 : 41,945.49 = 19,071.68 : x
  2. Step 2: Convert to fraction form
    30,396.08/41,945.49 = 19,071.68/x
  3. Step 3: Cross multiply
    30,396.08x = 41,945.49 × 19,071.68
  4. Step 4: Simplify right side
    30,396.08x = 799,970,753.00
  5. Step 5: Solve for x
    x = 799,970,753.00/30,396.08
  6. Step 6: Final answer
    x = 26,318.23

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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.