Home / 55,865.58-83,780.37-18,416.94

Finding the Fourth Proportional to 55,865.58, 83,780.37 and 18,416.94

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Solution

The fourth proportional to 55,865.58, 83,780.37 and 18,416.94 is: 27,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,865.58 : 83,780.37 = 18,416.94 : x
  2. Step 2: Convert to fraction form
    55,865.58/83,780.37 = 18,416.94/x
  3. Step 3: Cross multiply
    55,865.58x = 83,780.37 × 18,416.94
  4. Step 4: Simplify right side
    55,865.58x = 1,542,978,047.47
  5. Step 5: Solve for x
    x = 1,542,978,047.47/55,865.58
  6. Step 6: Final answer
    x = 27,619.48

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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.