Home / 31,876.13-43,989.58-17,537.11

Finding the Fourth Proportional to 31,876.13, 43,989.58 and 17,537.11

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Solution

The fourth proportional to 31,876.13, 43,989.58 and 17,537.11 is: 24,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,876.13 : 43,989.58 = 17,537.11 : x
  2. Step 2: Convert to fraction form
    31,876.13/43,989.58 = 17,537.11/x
  3. Step 3: Cross multiply
    31,876.13x = 43,989.58 × 17,537.11
  4. Step 4: Simplify right side
    31,876.13x = 771,450,015.26
  5. Step 5: Solve for x
    x = 771,450,015.26/31,876.13
  6. Step 6: Final answer
    x = 24,201.49

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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.