Home / 37,086-51,179.76-20,320.08

Finding the Fourth Proportional to 37,086, 51,179.76 and 20,320.08

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Solution

The fourth proportional to 37,086, 51,179.76 and 20,320.08 is: 28,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086 : 51,179.76 = 20,320.08 : x
  2. Step 2: Convert to fraction form
    37,086/51,179.76 = 20,320.08/x
  3. Step 3: Cross multiply
    37,086x = 51,179.76 × 20,320.08
  4. Step 4: Simplify right side
    37,086x = 1,039,976,817.58
  5. Step 5: Solve for x
    x = 1,039,976,817.58/37,086
  6. Step 6: Final answer
    x = 28,042.30

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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.