Home / 31,267.53-43,148.69-17,120.36

Finding the Fourth Proportional to 31,267.53, 43,148.69 and 17,120.36

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Solution

The fourth proportional to 31,267.53, 43,148.69 and 17,120.36 is: 23,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.53 : 43,148.69 = 17,120.36 : x
  2. Step 2: Convert to fraction form
    31,267.53/43,148.69 = 17,120.36/x
  3. Step 3: Cross multiply
    31,267.53x = 43,148.69 × 17,120.36
  4. Step 4: Simplify right side
    31,267.53x = 738,721,106.33
  5. Step 5: Solve for x
    x = 738,721,106.33/31,267.53
  6. Step 6: Final answer
    x = 23,625.82

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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.