Home / 31,206.29-43,063.86-18,460.13

Finding the Fourth Proportional to 31,206.29, 43,063.86 and 18,460.13

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Solution

The fourth proportional to 31,206.29, 43,063.86 and 18,460.13 is: 25,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.29 : 43,063.86 = 18,460.13 : x
  2. Step 2: Convert to fraction form
    31,206.29/43,063.86 = 18,460.13/x
  3. Step 3: Cross multiply
    31,206.29x = 43,063.86 × 18,460.13
  4. Step 4: Simplify right side
    31,206.29x = 794,964,238.58
  5. Step 5: Solve for x
    x = 794,964,238.58/31,206.29
  6. Step 6: Final answer
    x = 25,474.49

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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.