Home / 54,622.80-81,953.81-19,089.27

Finding the Fourth Proportional to 54,622.80, 81,953.81 and 19,089.27

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Solution

The fourth proportional to 54,622.80, 81,953.81 and 19,089.27 is: 28,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,622.80 : 81,953.81 = 19,089.27 : x
  2. Step 2: Convert to fraction form
    54,622.80/81,953.81 = 19,089.27/x
  3. Step 3: Cross multiply
    54,622.80x = 81,953.81 × 19,089.27
  4. Step 4: Simplify right side
    54,622.80x = 1,564,438,406.62
  5. Step 5: Solve for x
    x = 1,564,438,406.62/54,622.80
  6. Step 6: Final answer
    x = 28,640.76

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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.