Home / 31,276.04-43,167.62-19,942.92

Finding the Fourth Proportional to 31,276.04, 43,167.62 and 19,942.92

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Solution

The fourth proportional to 31,276.04, 43,167.62 and 19,942.92 is: 27,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.04 : 43,167.62 = 19,942.92 : x
  2. Step 2: Convert to fraction form
    31,276.04/43,167.62 = 19,942.92/x
  3. Step 3: Cross multiply
    31,276.04x = 43,167.62 × 19,942.92
  4. Step 4: Simplify right side
    31,276.04x = 860,888,392.25
  5. Step 5: Solve for x
    x = 860,888,392.25/31,276.04
  6. Step 6: Final answer
    x = 27,525.49

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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.