Home / 50,729.28-76,098.24-13,289.20

Finding the Fourth Proportional to 50,729.28, 76,098.24 and 13,289.20

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Solution

The fourth proportional to 50,729.28, 76,098.24 and 13,289.20 is: 19,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,729.28 : 76,098.24 = 13,289.20 : x
  2. Step 2: Convert to fraction form
    50,729.28/76,098.24 = 13,289.20/x
  3. Step 3: Cross multiply
    50,729.28x = 76,098.24 × 13,289.20
  4. Step 4: Simplify right side
    50,729.28x = 1,011,284,731.01
  5. Step 5: Solve for x
    x = 1,011,284,731.01/50,729.28
  6. Step 6: Final answer
    x = 19,934.93

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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.