Home / 49,600.42-68,447.23-28,378.32

Finding the Fourth Proportional to 49,600.42, 68,447.23 and 28,378.32

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Solution

The fourth proportional to 49,600.42, 68,447.23 and 28,378.32 is: 39,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,600.42 : 68,447.23 = 28,378.32 : x
  2. Step 2: Convert to fraction form
    49,600.42/68,447.23 = 28,378.32/x
  3. Step 3: Cross multiply
    49,600.42x = 68,447.23 × 28,378.32
  4. Step 4: Simplify right side
    49,600.42x = 1,942,417,068.43
  5. Step 5: Solve for x
    x = 1,942,417,068.43/49,600.42
  6. Step 6: Final answer
    x = 39,161.30

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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.