Home / 37,287.06-51,457.38-21,374.52

Finding the Fourth Proportional to 37,287.06, 51,457.38 and 21,374.52

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Solution

The fourth proportional to 37,287.06, 51,457.38 and 21,374.52 is: 29,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,287.06 : 51,457.38 = 21,374.52 : x
  2. Step 2: Convert to fraction form
    37,287.06/51,457.38 = 21,374.52/x
  3. Step 3: Cross multiply
    37,287.06x = 51,457.38 × 21,374.52
  4. Step 4: Simplify right side
    37,287.06x = 1,099,876,797.96
  5. Step 5: Solve for x
    x = 1,099,876,797.96/37,287.06
  6. Step 6: Final answer
    x = 29,497.55

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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.