Home / 55,721.06-83,584.38-18,277.82

Finding the Fourth Proportional to 55,721.06, 83,584.38 and 18,277.82

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Solution

The fourth proportional to 55,721.06, 83,584.38 and 18,277.82 is: 27,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721.06 : 83,584.38 = 18,277.82 : x
  2. Step 2: Convert to fraction form
    55,721.06/83,584.38 = 18,277.82/x
  3. Step 3: Cross multiply
    55,721.06x = 83,584.38 × 18,277.82
  4. Step 4: Simplify right side
    55,721.06x = 1,527,740,252.45
  5. Step 5: Solve for x
    x = 1,527,740,252.45/55,721.06
  6. Step 6: Final answer
    x = 27,417.65

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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.