Home / 31,508.09-43,481.10-17,360.93

Finding the Fourth Proportional to 31,508.09, 43,481.10 and 17,360.93

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Solution

The fourth proportional to 31,508.09, 43,481.10 and 17,360.93 is: 23,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.09 : 43,481.10 = 17,360.93 : x
  2. Step 2: Convert to fraction form
    31,508.09/43,481.10 = 17,360.93/x
  3. Step 3: Cross multiply
    31,508.09x = 43,481.10 × 17,360.93
  4. Step 4: Simplify right side
    31,508.09x = 754,872,507.23
  5. Step 5: Solve for x
    x = 754,872,507.23/31,508.09
  6. Step 6: Final answer
    x = 23,958.05

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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.