Home / 53,932.84-80,935.70-18,872.80

Finding the Fourth Proportional to 53,932.84, 80,935.70 and 18,872.80

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Solution

The fourth proportional to 53,932.84, 80,935.70 and 18,872.80 is: 28,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,932.84 : 80,935.70 = 18,872.80 : x
  2. Step 2: Convert to fraction form
    53,932.84/80,935.70 = 18,872.80/x
  3. Step 3: Cross multiply
    53,932.84x = 80,935.70 × 18,872.80
  4. Step 4: Simplify right side
    53,932.84x = 1,527,482,921.46
  5. Step 5: Solve for x
    x = 1,527,482,921.46/53,932.84
  6. Step 6: Final answer
    x = 28,321.95

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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.