Home / 37,488.36-51,733.62-20,721

Finding the Fourth Proportional to 37,488.36, 51,733.62 and 20,721

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Solution

The fourth proportional to 37,488.36, 51,733.62 and 20,721 is: 28,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,488.36 : 51,733.62 = 20,721 : x
  2. Step 2: Convert to fraction form
    37,488.36/51,733.62 = 20,721/x
  3. Step 3: Cross multiply
    37,488.36x = 51,733.62 × 20,721
  4. Step 4: Simplify right side
    37,488.36x = 1,071,972,340.02
  5. Step 5: Solve for x
    x = 1,071,972,340.02/37,488.36
  6. Step 6: Final answer
    x = 28,594.80

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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.