Home / 46,487.70-69,724.21-20,185.38

Finding the Fourth Proportional to 46,487.70, 69,724.21 and 20,185.38

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Solution

The fourth proportional to 46,487.70, 69,724.21 and 20,185.38 is: 30,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,487.70 : 69,724.21 = 20,185.38 : x
  2. Step 2: Convert to fraction form
    46,487.70/69,724.21 = 20,185.38/x
  3. Step 3: Cross multiply
    46,487.70x = 69,724.21 × 20,185.38
  4. Step 4: Simplify right side
    46,487.70x = 1,407,409,674.05
  5. Step 5: Solve for x
    x = 1,407,409,674.05/46,487.70
  6. Step 6: Final answer
    x = 30,274.88

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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.