Home / 31,298.92-46,934.32-18,654.64

Finding the Fourth Proportional to 31,298.92, 46,934.32 and 18,654.64

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Solution

The fourth proportional to 31,298.92, 46,934.32 and 18,654.64 is: 27,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.92 : 46,934.32 = 18,654.64 : x
  2. Step 2: Convert to fraction form
    31,298.92/46,934.32 = 18,654.64/x
  3. Step 3: Cross multiply
    31,298.92x = 46,934.32 × 18,654.64
  4. Step 4: Simplify right side
    31,298.92x = 875,542,843.24
  5. Step 5: Solve for x
    x = 875,542,843.24/31,298.92
  6. Step 6: Final answer
    x = 27,973.58

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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.