Home / 55,452.10-83,190.30-18,005.80

Finding the Fourth Proportional to 55,452.10, 83,190.30 and 18,005.80

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Solution

The fourth proportional to 55,452.10, 83,190.30 and 18,005.80 is: 27,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452.10 : 83,190.30 = 18,005.80 : x
  2. Step 2: Convert to fraction form
    55,452.10/83,190.30 = 18,005.80/x
  3. Step 3: Cross multiply
    55,452.10x = 83,190.30 × 18,005.80
  4. Step 4: Simplify right side
    55,452.10x = 1,497,907,903.74
  5. Step 5: Solve for x
    x = 1,497,907,903.74/55,452.10
  6. Step 6: Final answer
    x = 27,012.65

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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.