Home / 54,411.14-81,632.50-19,353.52

Finding the Fourth Proportional to 54,411.14, 81,632.50 and 19,353.52

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Solution

The fourth proportional to 54,411.14, 81,632.50 and 19,353.52 is: 29,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.14 : 81,632.50 = 19,353.52 : x
  2. Step 2: Convert to fraction form
    54,411.14/81,632.50 = 19,353.52/x
  3. Step 3: Cross multiply
    54,411.14x = 81,632.50 × 19,353.52
  4. Step 4: Simplify right side
    54,411.14x = 1,579,876,221.40
  5. Step 5: Solve for x
    x = 1,579,876,221.40/54,411.14
  6. Step 6: Final answer
    x = 29,035.90

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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.