Home / 51,711.54-77,579.46-16,649.88

Finding the Fourth Proportional to 51,711.54, 77,579.46 and 16,649.88

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Solution

The fourth proportional to 51,711.54, 77,579.46 and 16,649.88 is: 24,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.54 : 77,579.46 = 16,649.88 : x
  2. Step 2: Convert to fraction form
    51,711.54/77,579.46 = 16,649.88/x
  3. Step 3: Cross multiply
    51,711.54x = 77,579.46 × 16,649.88
  4. Step 4: Simplify right side
    51,711.54x = 1,291,688,699.46
  5. Step 5: Solve for x
    x = 1,291,688,699.46/51,711.54
  6. Step 6: Final answer
    x = 24,978.73

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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.