Home / 55,079.36-76,010.64-29,930.48

Finding the Fourth Proportional to 55,079.36, 76,010.64 and 29,930.48

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Solution

The fourth proportional to 55,079.36, 76,010.64 and 29,930.48 is: 41,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.36 : 76,010.64 = 29,930.48 : x
  2. Step 2: Convert to fraction form
    55,079.36/76,010.64 = 29,930.48/x
  3. Step 3: Cross multiply
    55,079.36x = 76,010.64 × 29,930.48
  4. Step 4: Simplify right side
    55,079.36x = 2,275,034,940.31
  5. Step 5: Solve for x
    x = 2,275,034,940.31/55,079.36
  6. Step 6: Final answer
    x = 41,304.67

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1.5x scale

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.