Home / 55,299.40-82,949.10-15,855.64

Finding the Fourth Proportional to 55,299.40, 82,949.10 and 15,855.64

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Solution

The fourth proportional to 55,299.40, 82,949.10 and 15,855.64 is: 23,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299.40 : 82,949.10 = 15,855.64 : x
  2. Step 2: Convert to fraction form
    55,299.40/82,949.10 = 15,855.64/x
  3. Step 3: Cross multiply
    55,299.40x = 82,949.10 × 15,855.64
  4. Step 4: Simplify right side
    55,299.40x = 1,315,211,067.92
  5. Step 5: Solve for x
    x = 1,315,211,067.92/55,299.40
  6. Step 6: Final answer
    x = 23,783.46

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Similar ratio
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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.