Home / 54,011.38-81,017.09-14,568.51

Finding the Fourth Proportional to 54,011.38, 81,017.09 and 14,568.51

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Solution

The fourth proportional to 54,011.38, 81,017.09 and 14,568.51 is: 21,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,011.38 : 81,017.09 = 14,568.51 : x
  2. Step 2: Convert to fraction form
    54,011.38/81,017.09 = 14,568.51/x
  3. Step 3: Cross multiply
    54,011.38x = 81,017.09 × 14,568.51
  4. Step 4: Simplify right side
    54,011.38x = 1,180,298,285.84
  5. Step 5: Solve for x
    x = 1,180,298,285.84/54,011.38
  6. Step 6: Final answer
    x = 21,852.77

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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.