Home / 31,198.68-43,054.20-17,051.52

Finding the Fourth Proportional to 31,198.68, 43,054.20 and 17,051.52

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Solution

The fourth proportional to 31,198.68, 43,054.20 and 17,051.52 is: 23,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.68 : 43,054.20 = 17,051.52 : x
  2. Step 2: Convert to fraction form
    31,198.68/43,054.20 = 17,051.52/x
  3. Step 3: Cross multiply
    31,198.68x = 43,054.20 × 17,051.52
  4. Step 4: Simplify right side
    31,198.68x = 734,139,552.38
  5. Step 5: Solve for x
    x = 734,139,552.38/31,198.68
  6. Step 6: Final answer
    x = 23,531.11

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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.