Home / 37,581.09-51,862.67-20,586.05

Finding the Fourth Proportional to 37,581.09, 51,862.67 and 20,586.05

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Solution

The fourth proportional to 37,581.09, 51,862.67 and 20,586.05 is: 28,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.09 : 51,862.67 = 20,586.05 : x
  2. Step 2: Convert to fraction form
    37,581.09/51,862.67 = 20,586.05/x
  3. Step 3: Cross multiply
    37,581.09x = 51,862.67 × 20,586.05
  4. Step 4: Simplify right side
    37,581.09x = 1,067,647,517.75
  5. Step 5: Solve for x
    x = 1,067,647,517.75/37,581.09
  6. Step 6: Final answer
    x = 28,409.17

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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.