Home / 30,215.29-41,696.16-16,603.30

Finding the Fourth Proportional to 30,215.29, 41,696.16 and 16,603.30

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Solution

The fourth proportional to 30,215.29, 41,696.16 and 16,603.30 is: 22,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.29 : 41,696.16 = 16,603.30 : x
  2. Step 2: Convert to fraction form
    30,215.29/41,696.16 = 16,603.30/x
  3. Step 3: Cross multiply
    30,215.29x = 41,696.16 × 16,603.30
  4. Step 4: Simplify right side
    30,215.29x = 692,293,853.33
  5. Step 5: Solve for x
    x = 692,293,853.33/30,215.29
  6. Step 6: Final answer
    x = 22,912.04

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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.