Home / 55,272.40-82,908.60-18,336.40

Finding the Fourth Proportional to 55,272.40, 82,908.60 and 18,336.40

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Solution

The fourth proportional to 55,272.40, 82,908.60 and 18,336.40 is: 27,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.40 : 82,908.60 = 18,336.40 : x
  2. Step 2: Convert to fraction form
    55,272.40/82,908.60 = 18,336.40/x
  3. Step 3: Cross multiply
    55,272.40x = 82,908.60 × 18,336.40
  4. Step 4: Simplify right side
    55,272.40x = 1,520,245,253.04
  5. Step 5: Solve for x
    x = 1,520,245,253.04/55,272.40
  6. Step 6: Final answer
    x = 27,504.60

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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.