Home / 37,771.38-56,664.63-21,155.04

Finding the Fourth Proportional to 37,771.38, 56,664.63 and 21,155.04

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Solution

The fourth proportional to 37,771.38, 56,664.63 and 21,155.04 is: 31,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.38 : 56,664.63 = 21,155.04 : x
  2. Step 2: Convert to fraction form
    37,771.38/56,664.63 = 21,155.04/x
  3. Step 3: Cross multiply
    37,771.38x = 56,664.63 × 21,155.04
  4. Step 4: Simplify right side
    37,771.38x = 1,198,742,514.24
  5. Step 5: Solve for x
    x = 1,198,742,514.24/37,771.38
  6. Step 6: Final answer
    x = 31,736.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.