Home / 54,013.95-81,056.46-18,952.70

Finding the Fourth Proportional to 54,013.95, 81,056.46 and 18,952.70

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Solution

The fourth proportional to 54,013.95, 81,056.46 and 18,952.70 is: 28,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.95 : 81,056.46 = 18,952.70 : x
  2. Step 2: Convert to fraction form
    54,013.95/81,056.46 = 18,952.70/x
  3. Step 3: Cross multiply
    54,013.95x = 81,056.46 × 18,952.70
  4. Step 4: Simplify right side
    54,013.95x = 1,536,238,364.16
  5. Step 5: Solve for x
    x = 1,536,238,364.16/54,013.95
  6. Step 6: Final answer
    x = 28,441.51

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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.