Home / 40,378.05-60,418.94-33,698.04

Finding the Fourth Proportional to 40,378.05, 60,418.94 and 33,698.04

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Solution

The fourth proportional to 40,378.05, 60,418.94 and 33,698.04 is: 50,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.05 : 60,418.94 = 33,698.04 : x
  2. Step 2: Convert to fraction form
    40,378.05/60,418.94 = 33,698.04/x
  3. Step 3: Cross multiply
    40,378.05x = 60,418.94 × 33,698.04
  4. Step 4: Simplify right side
    40,378.05x = 2,035,999,688.39
  5. Step 5: Solve for x
    x = 2,035,999,688.39/40,378.05
  6. Step 6: Final answer
    x = 50,423.43

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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.