Home / 51,645.24-77,526.18-20,502.36

Finding the Fourth Proportional to 51,645.24, 77,526.18 and 20,502.36

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Solution

The fourth proportional to 51,645.24, 77,526.18 and 20,502.36 is: 30,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,645.24 : 77,526.18 = 20,502.36 : x
  2. Step 2: Convert to fraction form
    51,645.24/77,526.18 = 20,502.36/x
  3. Step 3: Cross multiply
    51,645.24x = 77,526.18 × 20,502.36
  4. Step 4: Simplify right side
    51,645.24x = 1,589,469,651.78
  5. Step 5: Solve for x
    x = 1,589,469,651.78/51,645.24
  6. Step 6: Final answer
    x = 30,776.69

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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.