Home / 55,005.78-82,517.33-21,726.02

Finding the Fourth Proportional to 55,005.78, 82,517.33 and 21,726.02

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Solution

The fourth proportional to 55,005.78, 82,517.33 and 21,726.02 is: 32,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.78 : 82,517.33 = 21,726.02 : x
  2. Step 2: Convert to fraction form
    55,005.78/82,517.33 = 21,726.02/x
  3. Step 3: Cross multiply
    55,005.78x = 82,517.33 × 21,726.02
  4. Step 4: Simplify right side
    55,005.78x = 1,792,773,422.53
  5. Step 5: Solve for x
    x = 1,792,773,422.53/55,005.78
  6. Step 6: Final answer
    x = 32,592.45

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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.