Home / 30,887.82-46,331.73-8,703.54

Finding the Fourth Proportional to 30,887.82, 46,331.73 and 8,703.54

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Solution

The fourth proportional to 30,887.82, 46,331.73 and 8,703.54 is: 13,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.82 : 46,331.73 = 8,703.54 : x
  2. Step 2: Convert to fraction form
    30,887.82/46,331.73 = 8,703.54/x
  3. Step 3: Cross multiply
    30,887.82x = 46,331.73 × 8,703.54
  4. Step 4: Simplify right side
    30,887.82x = 403,250,065.32
  5. Step 5: Solve for x
    x = 403,250,065.32/30,887.82
  6. Step 6: Final answer
    x = 13,055.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.