Home / 37,272.12-51,442.80-21,367.20

Finding the Fourth Proportional to 37,272.12, 51,442.80 and 21,367.20

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Solution

The fourth proportional to 37,272.12, 51,442.80 and 21,367.20 is: 29,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272.12 : 51,442.80 = 21,367.20 : x
  2. Step 2: Convert to fraction form
    37,272.12/51,442.80 = 21,367.20/x
  3. Step 3: Cross multiply
    37,272.12x = 51,442.80 × 21,367.20
  4. Step 4: Simplify right side
    37,272.12x = 1,099,188,596.16
  5. Step 5: Solve for x
    x = 1,099,188,596.16/37,272.12
  6. Step 6: Final answer
    x = 29,490.91

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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.