Home / 51,015.15-76,511.79-15,950.25

Finding the Fourth Proportional to 51,015.15, 76,511.79 and 15,950.25

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Solution

The fourth proportional to 51,015.15, 76,511.79 and 15,950.25 is: 23,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.15 : 76,511.79 = 15,950.25 : x
  2. Step 2: Convert to fraction form
    51,015.15/76,511.79 = 15,950.25/x
  3. Step 3: Cross multiply
    51,015.15x = 76,511.79 × 15,950.25
  4. Step 4: Simplify right side
    51,015.15x = 1,220,382,178.45
  5. Step 5: Solve for x
    x = 1,220,382,178.45/51,015.15
  6. Step 6: Final answer
    x = 23,921.96

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1.5x scale

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.