Home / 51,719.30-77,591.08-16,657.64

Finding the Fourth Proportional to 51,719.30, 77,591.08 and 16,657.64

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Solution

The fourth proportional to 51,719.30, 77,591.08 and 16,657.64 is: 24,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.30 : 77,591.08 = 16,657.64 : x
  2. Step 2: Convert to fraction form
    51,719.30/77,591.08 = 16,657.64/x
  3. Step 3: Cross multiply
    51,719.30x = 77,591.08 × 16,657.64
  4. Step 4: Simplify right side
    51,719.30x = 1,292,484,277.85
  5. Step 5: Solve for x
    x = 1,292,484,277.85/51,719.30
  6. Step 6: Final answer
    x = 24,990.37

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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.