Home / 55,133.07-82,726.97-21,852.42

Finding the Fourth Proportional to 55,133.07, 82,726.97 and 21,852.42

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Solution

The fourth proportional to 55,133.07, 82,726.97 and 21,852.42 is: 32,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.07 : 82,726.97 = 21,852.42 : x
  2. Step 2: Convert to fraction form
    55,133.07/82,726.97 = 21,852.42/x
  3. Step 3: Cross multiply
    55,133.07x = 82,726.97 × 21,852.42
  4. Step 4: Simplify right side
    55,133.07x = 1,807,784,384.51
  5. Step 5: Solve for x
    x = 1,807,784,384.51/55,133.07
  6. Step 6: Final answer
    x = 32,789.47

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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.