Home / 55,053.94-82,551.74-21,772.66

Finding the Fourth Proportional to 55,053.94, 82,551.74 and 21,772.66

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Solution

The fourth proportional to 55,053.94, 82,551.74 and 21,772.66 is: 32,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.94 : 82,551.74 = 21,772.66 : x
  2. Step 2: Convert to fraction form
    55,053.94/82,551.74 = 21,772.66/x
  3. Step 3: Cross multiply
    55,053.94x = 82,551.74 × 21,772.66
  4. Step 4: Simplify right side
    55,053.94x = 1,797,370,554.67
  5. Step 5: Solve for x
    x = 1,797,370,554.67/55,053.94
  6. Step 6: Final answer
    x = 32,647.45

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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.