Home / 37,918.88-52,329.67-21,151.88

Finding the Fourth Proportional to 37,918.88, 52,329.67 and 21,151.88

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Solution

The fourth proportional to 37,918.88, 52,329.67 and 21,151.88 is: 29,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.88 : 52,329.67 = 21,151.88 : x
  2. Step 2: Convert to fraction form
    37,918.88/52,329.67 = 21,151.88/x
  3. Step 3: Cross multiply
    37,918.88x = 52,329.67 × 21,151.88
  4. Step 4: Simplify right side
    37,918.88x = 1,106,870,585.75
  5. Step 5: Solve for x
    x = 1,106,870,585.75/37,918.88
  6. Step 6: Final answer
    x = 29,190.49

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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.