Home / 37,356.57-51,551.40-20,360.97

Finding the Fourth Proportional to 37,356.57, 51,551.40 and 20,360.97

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Solution

The fourth proportional to 37,356.57, 51,551.40 and 20,360.97 is: 28,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,356.57 : 51,551.40 = 20,360.97 : x
  2. Step 2: Convert to fraction form
    37,356.57/51,551.40 = 20,360.97/x
  3. Step 3: Cross multiply
    37,356.57x = 51,551.40 × 20,360.97
  4. Step 4: Simplify right side
    37,356.57x = 1,049,636,508.86
  5. Step 5: Solve for x
    x = 1,049,636,508.86/37,356.57
  6. Step 6: Final answer
    x = 28,097.78

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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.