Home / 37,202.16-51,339.22-21,287

Finding the Fourth Proportional to 37,202.16, 51,339.22 and 21,287

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Solution

The fourth proportional to 37,202.16, 51,339.22 and 21,287 is: 29,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,202.16 : 51,339.22 = 21,287 : x
  2. Step 2: Convert to fraction form
    37,202.16/51,339.22 = 21,287/x
  3. Step 3: Cross multiply
    37,202.16x = 51,339.22 × 21,287
  4. Step 4: Simplify right side
    37,202.16x = 1,092,857,976.14
  5. Step 5: Solve for x
    x = 1,092,857,976.14/37,202.16
  6. Step 6: Final answer
    x = 29,376.20

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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.