Home / 37,172.36-51,292.77-21,257.89

Finding the Fourth Proportional to 37,172.36, 51,292.77 and 21,257.89

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Solution

The fourth proportional to 37,172.36, 51,292.77 and 21,257.89 is: 29,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.36 : 51,292.77 = 21,257.89 : x
  2. Step 2: Convert to fraction form
    37,172.36/51,292.77 = 21,257.89/x
  3. Step 3: Cross multiply
    37,172.36x = 51,292.77 × 21,257.89
  4. Step 4: Simplify right side
    37,172.36x = 1,090,376,062.46
  5. Step 5: Solve for x
    x = 1,090,376,062.46/37,172.36
  6. Step 6: Final answer
    x = 29,332.98

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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.