Home / 20,577.45-30,865.94-4,995.07

Finding the Fourth Proportional to 20,577.45, 30,865.94 and 4,995.07

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Solution

The fourth proportional to 20,577.45, 30,865.94 and 4,995.07 is: 7,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.45 : 30,865.94 = 4,995.07 : x
  2. Step 2: Convert to fraction form
    20,577.45/30,865.94 = 4,995.07/x
  3. Step 3: Cross multiply
    20,577.45x = 30,865.94 × 4,995.07
  4. Step 4: Simplify right side
    20,577.45x = 154,177,530.92
  5. Step 5: Solve for x
    x = 154,177,530.92/20,577.45
  6. Step 6: Final answer
    x = 7,492.55

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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.