Home / 37,326-51,512.40-21,411.12

Finding the Fourth Proportional to 37,326, 51,512.40 and 21,411.12

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Solution

The fourth proportional to 37,326, 51,512.40 and 21,411.12 is: 29,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,326 : 51,512.40 = 21,411.12 : x
  2. Step 2: Convert to fraction form
    37,326/51,512.40 = 21,411.12/x
  3. Step 3: Cross multiply
    37,326x = 51,512.40 × 21,411.12
  4. Step 4: Simplify right side
    37,326x = 1,102,938,177.89
  5. Step 5: Solve for x
    x = 1,102,938,177.89/37,326
  6. Step 6: Final answer
    x = 29,548.79

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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.