Home / 49,509.36-68,326.54-28,288.17

Finding the Fourth Proportional to 49,509.36, 68,326.54 and 28,288.17

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Solution

The fourth proportional to 49,509.36, 68,326.54 and 28,288.17 is: 39,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.36 : 68,326.54 = 28,288.17 : x
  2. Step 2: Convert to fraction form
    49,509.36/68,326.54 = 28,288.17/x
  3. Step 3: Cross multiply
    49,509.36x = 68,326.54 × 28,288.17
  4. Step 4: Simplify right side
    49,509.36x = 1,932,832,708.31
  5. Step 5: Solve for x
    x = 1,932,832,708.31/49,509.36
  6. Step 6: Final answer
    x = 39,039.74

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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.