Home / 55,580.45-83,378.70-18,131.27

Finding the Fourth Proportional to 55,580.45, 83,378.70 and 18,131.27

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Solution

The fourth proportional to 55,580.45, 83,378.70 and 18,131.27 is: 27,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,580.45 : 83,378.70 = 18,131.27 : x
  2. Step 2: Convert to fraction form
    55,580.45/83,378.70 = 18,131.27/x
  3. Step 3: Cross multiply
    55,580.45x = 83,378.70 × 18,131.27
  4. Step 4: Simplify right side
    55,580.45x = 1,511,761,305.06
  5. Step 5: Solve for x
    x = 1,511,761,305.06/55,580.45
  6. Step 6: Final answer
    x = 27,199.51

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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.