Home / 51,651.52-77,490.24-14,715.52

Finding the Fourth Proportional to 51,651.52, 77,490.24 and 14,715.52

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Solution

The fourth proportional to 51,651.52, 77,490.24 and 14,715.52 is: 22,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.52 : 77,490.24 = 14,715.52 : x
  2. Step 2: Convert to fraction form
    51,651.52/77,490.24 = 14,715.52/x
  3. Step 3: Cross multiply
    51,651.52x = 77,490.24 × 14,715.52
  4. Step 4: Simplify right side
    51,651.52x = 1,140,309,176.52
  5. Step 5: Solve for x
    x = 1,140,309,176.52/51,651.52
  6. Step 6: Final answer
    x = 22,076.97

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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.