Home / 49,653.12-68,513.70-28,141.63

Finding the Fourth Proportional to 49,653.12, 68,513.70 and 28,141.63

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Solution

The fourth proportional to 49,653.12, 68,513.70 and 28,141.63 is: 38,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,653.12 : 68,513.70 = 28,141.63 : x
  2. Step 2: Convert to fraction form
    49,653.12/68,513.70 = 28,141.63/x
  3. Step 3: Cross multiply
    49,653.12x = 68,513.70 × 28,141.63
  4. Step 4: Simplify right side
    49,653.12x = 1,928,087,195.33
  5. Step 5: Solve for x
    x = 1,928,087,195.33/49,653.12
  6. Step 6: Final answer
    x = 38,831.14

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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.