Home / 36,576.64-50,476.80-20,661.76

Finding the Fourth Proportional to 36,576.64, 50,476.80 and 20,661.76

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Solution

The fourth proportional to 36,576.64, 50,476.80 and 20,661.76 is: 28,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576.64 : 50,476.80 = 20,661.76 : x
  2. Step 2: Convert to fraction form
    36,576.64/50,476.80 = 20,661.76/x
  3. Step 3: Cross multiply
    36,576.64x = 50,476.80 × 20,661.76
  4. Step 4: Simplify right side
    36,576.64x = 1,042,939,527.17
  5. Step 5: Solve for x
    x = 1,042,939,527.17/36,576.64
  6. Step 6: Final answer
    x = 28,513.81

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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.