Home / 55,148.20-82,722.30-15,704.80

Finding the Fourth Proportional to 55,148.20, 82,722.30 and 15,704.80

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Solution

The fourth proportional to 55,148.20, 82,722.30 and 15,704.80 is: 23,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.20 : 82,722.30 = 15,704.80 : x
  2. Step 2: Convert to fraction form
    55,148.20/82,722.30 = 15,704.80/x
  3. Step 3: Cross multiply
    55,148.20x = 82,722.30 × 15,704.80
  4. Step 4: Simplify right side
    55,148.20x = 1,299,137,177.04
  5. Step 5: Solve for x
    x = 1,299,137,177.04/55,148.20
  6. Step 6: Final answer
    x = 23,557.20

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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.