Home / 39,835.33-54,972.33-21,929.98

Finding the Fourth Proportional to 39,835.33, 54,972.33 and 21,929.98

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Solution

The fourth proportional to 39,835.33, 54,972.33 and 21,929.98 is: 30,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,835.33 : 54,972.33 = 21,929.98 : x
  2. Step 2: Convert to fraction form
    39,835.33/54,972.33 = 21,929.98/x
  3. Step 3: Cross multiply
    39,835.33x = 54,972.33 × 21,929.98
  4. Step 4: Simplify right side
    39,835.33x = 1,205,542,097.45
  5. Step 5: Solve for x
    x = 1,205,542,097.45/39,835.33
  6. Step 6: Final answer
    x = 30,263.14

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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.