Home / 30,305.36-41,820.44-16,876.32

Finding the Fourth Proportional to 30,305.36, 41,820.44 and 16,876.32

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Solution

The fourth proportional to 30,305.36, 41,820.44 and 16,876.32 is: 23,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.36 : 41,820.44 = 16,876.32 : x
  2. Step 2: Convert to fraction form
    30,305.36/41,820.44 = 16,876.32/x
  3. Step 3: Cross multiply
    30,305.36x = 41,820.44 × 16,876.32
  4. Step 4: Simplify right side
    30,305.36x = 705,775,127.98
  5. Step 5: Solve for x
    x = 705,775,127.98/30,305.36
  6. Step 6: Final answer
    x = 23,288.79

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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.