Home / 55,867.58-83,783.36-18,418.94

Finding the Fourth Proportional to 55,867.58, 83,783.36 and 18,418.94

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Solution

The fourth proportional to 55,867.58, 83,783.36 and 18,418.94 is: 27,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867.58 : 83,783.36 = 18,418.94 : x
  2. Step 2: Convert to fraction form
    55,867.58/83,783.36 = 18,418.94/x
  3. Step 3: Cross multiply
    55,867.58x = 83,783.36 × 18,418.94
  4. Step 4: Simplify right side
    55,867.58x = 1,543,200,680.84
  5. Step 5: Solve for x
    x = 1,543,200,680.84/55,867.58
  6. Step 6: Final answer
    x = 27,622.47

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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.