Home / 31,275.92-43,155.24-17,845.04

Finding the Fourth Proportional to 31,275.92, 43,155.24 and 17,845.04

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Solution

The fourth proportional to 31,275.92, 43,155.24 and 17,845.04 is: 24,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.92 : 43,155.24 = 17,845.04 : x
  2. Step 2: Convert to fraction form
    31,275.92/43,155.24 = 17,845.04/x
  3. Step 3: Cross multiply
    31,275.92x = 43,155.24 × 17,845.04
  4. Step 4: Simplify right side
    31,275.92x = 770,106,984.01
  5. Step 5: Solve for x
    x = 770,106,984.01/31,275.92
  6. Step 6: Final answer
    x = 24,623.00

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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.