Home / 37,128.60-51,232.75-21,214.08

Finding the Fourth Proportional to 37,128.60, 51,232.75 and 21,214.08

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Solution

The fourth proportional to 37,128.60, 51,232.75 and 21,214.08 is: 29,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.60 : 51,232.75 = 21,214.08 : x
  2. Step 2: Convert to fraction form
    37,128.60/51,232.75 = 21,214.08/x
  3. Step 3: Cross multiply
    37,128.60x = 51,232.75 × 21,214.08
  4. Step 4: Simplify right side
    37,128.60x = 1,086,855,604.08
  5. Step 5: Solve for x
    x = 1,086,855,604.08/37,128.60
  6. Step 6: Final answer
    x = 29,272.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.