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Finding the Fourth Proportional to 36,576.28, 50,475.18 and 19,809.28

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Solution

The fourth proportional to 36,576.28, 50,475.18 and 19,809.28 is: 27,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576.28 : 50,475.18 = 19,809.28 : x
  2. Step 2: Convert to fraction form
    36,576.28/50,475.18 = 19,809.28/x
  3. Step 3: Cross multiply
    36,576.28x = 50,475.18 × 19,809.28
  4. Step 4: Simplify right side
    36,576.28x = 999,876,973.67
  5. Step 5: Solve for x
    x = 999,876,973.67/36,576.28
  6. Step 6: Final answer
    x = 27,336.76

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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.