Home / 49,963.68-74,910.96-21,870.24

Finding the Fourth Proportional to 49,963.68, 74,910.96 and 21,870.24

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Solution

The fourth proportional to 49,963.68, 74,910.96 and 21,870.24 is: 32,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.68 : 74,910.96 = 21,870.24 : x
  2. Step 2: Convert to fraction form
    49,963.68/74,910.96 = 21,870.24/x
  3. Step 3: Cross multiply
    49,963.68x = 74,910.96 × 21,870.24
  4. Step 4: Simplify right side
    49,963.68x = 1,638,320,673.83
  5. Step 5: Solve for x
    x = 1,638,320,673.83/49,963.68
  6. Step 6: Final answer
    x = 32,790.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.