Home / 40,579.29-55,999.08-22,674.09

Finding the Fourth Proportional to 40,579.29, 55,999.08 and 22,674.09

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Solution

The fourth proportional to 40,579.29, 55,999.08 and 22,674.09 is: 31,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.29 : 55,999.08 = 22,674.09 : x
  2. Step 2: Convert to fraction form
    40,579.29/55,999.08 = 22,674.09/x
  3. Step 3: Cross multiply
    40,579.29x = 55,999.08 × 22,674.09
  4. Step 4: Simplify right side
    40,579.29x = 1,269,728,179.84
  5. Step 5: Solve for x
    x = 1,269,728,179.84/40,579.29
  6. Step 6: Final answer
    x = 31,290.05

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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.