Home / 33,021.41-45,564.71-18,871.52

Finding the Fourth Proportional to 33,021.41, 45,564.71 and 18,871.52

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Solution

The fourth proportional to 33,021.41, 45,564.71 and 18,871.52 is: 26,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.41 : 45,564.71 = 18,871.52 : x
  2. Step 2: Convert to fraction form
    33,021.41/45,564.71 = 18,871.52/x
  3. Step 3: Cross multiply
    33,021.41x = 45,564.71 × 18,871.52
  4. Step 4: Simplify right side
    33,021.41x = 859,875,013.88
  5. Step 5: Solve for x
    x = 859,875,013.88/33,021.41
  6. Step 6: Final answer
    x = 26,039.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.