Home / 49,886.16-68,838-27,528.72

Finding the Fourth Proportional to 49,886.16, 68,838 and 27,528.72

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Solution

The fourth proportional to 49,886.16, 68,838 and 27,528.72 is: 37,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.16 : 68,838 = 27,528.72 : x
  2. Step 2: Convert to fraction form
    49,886.16/68,838 = 27,528.72/x
  3. Step 3: Cross multiply
    49,886.16x = 68,838 × 27,528.72
  4. Step 4: Simplify right side
    49,886.16x = 1,895,022,027.36
  5. Step 5: Solve for x
    x = 1,895,022,027.36/49,886.16
  6. Step 6: Final answer
    x = 37,986.93

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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.