Home / 31,345.21-43,256.00-17,198.04

Finding the Fourth Proportional to 31,345.21, 43,256.00 and 17,198.04

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Solution

The fourth proportional to 31,345.21, 43,256.00 and 17,198.04 is: 23,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.21 : 43,256.00 = 17,198.04 : x
  2. Step 2: Convert to fraction form
    31,345.21/43,256.00 = 17,198.04/x
  3. Step 3: Cross multiply
    31,345.21x = 43,256.00 × 17,198.04
  4. Step 4: Simplify right side
    31,345.21x = 743,918,332.25
  5. Step 5: Solve for x
    x = 743,918,332.25/31,345.21
  6. Step 6: Final answer
    x = 23,733.08

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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.