Home / 55,478.53-83,215.97-22,189.65

Finding the Fourth Proportional to 55,478.53, 83,215.97 and 22,189.65

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Solution

The fourth proportional to 55,478.53, 83,215.97 and 22,189.65 is: 33,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478.53 : 83,215.97 = 22,189.65 : x
  2. Step 2: Convert to fraction form
    55,478.53/83,215.97 = 22,189.65/x
  3. Step 3: Cross multiply
    55,478.53x = 83,215.97 × 22,189.65
  4. Step 4: Simplify right side
    55,478.53x = 1,846,533,137.76
  5. Step 5: Solve for x
    x = 1,846,533,137.76/55,478.53
  6. Step 6: Final answer
    x = 33,283.75

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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.