Home / 49,740.45-68,621.49-30,614.45

Finding the Fourth Proportional to 49,740.45, 68,621.49 and 30,614.45

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Solution

The fourth proportional to 49,740.45, 68,621.49 and 30,614.45 is: 42,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,740.45 : 68,621.49 = 30,614.45 : x
  2. Step 2: Convert to fraction form
    49,740.45/68,621.49 = 30,614.45/x
  3. Step 3: Cross multiply
    49,740.45x = 68,621.49 × 30,614.45
  4. Step 4: Simplify right side
    49,740.45x = 2,100,809,174.53
  5. Step 5: Solve for x
    x = 2,100,809,174.53/49,740.45
  6. Step 6: Final answer
    x = 42,235.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.