Home / 37,129.48-51,233.95-21,214.96

Finding the Fourth Proportional to 37,129.48, 51,233.95 and 21,214.96

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Solution

The fourth proportional to 37,129.48, 51,233.95 and 21,214.96 is: 29,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.48 : 51,233.95 = 21,214.96 : x
  2. Step 2: Convert to fraction form
    37,129.48/51,233.95 = 21,214.96/x
  3. Step 3: Cross multiply
    37,129.48x = 51,233.95 × 21,214.96
  4. Step 4: Simplify right side
    37,129.48x = 1,086,926,199.89
  5. Step 5: Solve for x
    x = 1,086,926,199.89/37,129.48
  6. Step 6: Final answer
    x = 29,273.94

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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.