Home / 53,936.88-80,902.80-18,884.40

Finding the Fourth Proportional to 53,936.88, 80,902.80 and 18,884.40

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Solution

The fourth proportional to 53,936.88, 80,902.80 and 18,884.40 is: 28,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,936.88 : 80,902.80 = 18,884.40 : x
  2. Step 2: Convert to fraction form
    53,936.88/80,902.80 = 18,884.40/x
  3. Step 3: Cross multiply
    53,936.88x = 80,902.80 × 18,884.40
  4. Step 4: Simplify right side
    53,936.88x = 1,527,800,836.32
  5. Step 5: Solve for x
    x = 1,527,800,836.32/53,936.88
  6. Step 6: Final answer
    x = 28,325.72

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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.