Home / 55,580.33-83,378.51-18,131.14

Finding the Fourth Proportional to 55,580.33, 83,378.51 and 18,131.14

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Solution

The fourth proportional to 55,580.33, 83,378.51 and 18,131.14 is: 27,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,580.33 : 83,378.51 = 18,131.14 : x
  2. Step 2: Convert to fraction form
    55,580.33/83,378.51 = 18,131.14/x
  3. Step 3: Cross multiply
    55,580.33x = 83,378.51 × 18,131.14
  4. Step 4: Simplify right side
    55,580.33x = 1,511,747,437.80
  5. Step 5: Solve for x
    x = 1,511,747,437.80/55,580.33
  6. Step 6: Final answer
    x = 27,199.32

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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.