Home / 53,877.96-80,816.94-18,817.92

Finding the Fourth Proportional to 53,877.96, 80,816.94 and 18,817.92

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Solution

The fourth proportional to 53,877.96, 80,816.94 and 18,817.92 is: 28,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,877.96 : 80,816.94 = 18,817.92 : x
  2. Step 2: Convert to fraction form
    53,877.96/80,816.94 = 18,817.92/x
  3. Step 3: Cross multiply
    53,877.96x = 80,816.94 × 18,817.92
  4. Step 4: Simplify right side
    53,877.96x = 1,520,806,711.56
  5. Step 5: Solve for x
    x = 1,520,806,711.56/53,877.96
  6. Step 6: Final answer
    x = 28,226.88

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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.