Home / 55,120.41-76,066.07-29,969.85

Finding the Fourth Proportional to 55,120.41, 76,066.07 and 29,969.85

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Solution

The fourth proportional to 55,120.41, 76,066.07 and 29,969.85 is: 41,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120.41 : 76,066.07 = 29,969.85 : x
  2. Step 2: Convert to fraction form
    55,120.41/76,066.07 = 29,969.85/x
  3. Step 3: Cross multiply
    55,120.41x = 76,066.07 × 29,969.85
  4. Step 4: Simplify right side
    55,120.41x = 2,279,688,558.14
  5. Step 5: Solve for x
    x = 2,279,688,558.14/55,120.41
  6. Step 6: Final answer
    x = 41,358.34

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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.