Home / 49,717.94-68,612.32-28,208.60

Finding the Fourth Proportional to 49,717.94, 68,612.32 and 28,208.60

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Solution

The fourth proportional to 49,717.94, 68,612.32 and 28,208.60 is: 38,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,717.94 : 68,612.32 = 28,208.60 : x
  2. Step 2: Convert to fraction form
    49,717.94/68,612.32 = 28,208.60/x
  3. Step 3: Cross multiply
    49,717.94x = 68,612.32 × 28,208.60
  4. Step 4: Simplify right side
    49,717.94x = 1,935,457,154.51
  5. Step 5: Solve for x
    x = 1,935,457,154.51/49,717.94
  6. Step 6: Final answer
    x = 38,928.75

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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.