Home / 31,260.01-43,138.80-17,112.85

Finding the Fourth Proportional to 31,260.01, 43,138.80 and 17,112.85

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Solution

The fourth proportional to 31,260.01, 43,138.80 and 17,112.85 is: 23,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.01 : 43,138.80 = 17,112.85 : x
  2. Step 2: Convert to fraction form
    31,260.01/43,138.80 = 17,112.85/x
  3. Step 3: Cross multiply
    31,260.01x = 43,138.80 × 17,112.85
  4. Step 4: Simplify right side
    31,260.01x = 738,227,813.58
  5. Step 5: Solve for x
    x = 738,227,813.58/31,260.01
  6. Step 6: Final answer
    x = 23,615.73

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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.