Home / 37,629.84-51,930.77-21,499.80

Finding the Fourth Proportional to 37,629.84, 51,930.77 and 21,499.80

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Solution

The fourth proportional to 37,629.84, 51,930.77 and 21,499.80 is: 29,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,629.84 : 51,930.77 = 21,499.80 : x
  2. Step 2: Convert to fraction form
    37,629.84/51,930.77 = 21,499.80/x
  3. Step 3: Cross multiply
    37,629.84x = 51,930.77 × 21,499.80
  4. Step 4: Simplify right side
    37,629.84x = 1,116,501,425.71
  5. Step 5: Solve for x
    x = 1,116,501,425.71/37,629.84
  6. Step 6: Final answer
    x = 29,670.64

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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.