Home / 31,171.06-43,011.03-17,742.54

Finding the Fourth Proportional to 31,171.06, 43,011.03 and 17,742.54

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Solution

The fourth proportional to 31,171.06, 43,011.03 and 17,742.54 is: 24,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.06 : 43,011.03 = 17,742.54 : x
  2. Step 2: Convert to fraction form
    31,171.06/43,011.03 = 17,742.54/x
  3. Step 3: Cross multiply
    31,171.06x = 43,011.03 × 17,742.54
  4. Step 4: Simplify right side
    31,171.06x = 763,124,920.22
  5. Step 5: Solve for x
    x = 763,124,920.22/31,171.06
  6. Step 6: Final answer
    x = 24,481.84

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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.