Home / 51,146.52-76,763.76-20,003.64

Finding the Fourth Proportional to 51,146.52, 76,763.76 and 20,003.64

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Solution

The fourth proportional to 51,146.52, 76,763.76 and 20,003.64 is: 30,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,146.52 : 76,763.76 = 20,003.64 : x
  2. Step 2: Convert to fraction form
    51,146.52/76,763.76 = 20,003.64/x
  3. Step 3: Cross multiply
    51,146.52x = 76,763.76 × 20,003.64
  4. Step 4: Simplify right side
    51,146.52x = 1,535,554,620.09
  5. Step 5: Solve for x
    x = 1,535,554,620.09/51,146.52
  6. Step 6: Final answer
    x = 30,022.66

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1.5x scale

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.