Home / 31,358.16-43,274.40-17,211.12

Finding the Fourth Proportional to 31,358.16, 43,274.40 and 17,211.12

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Solution

The fourth proportional to 31,358.16, 43,274.40 and 17,211.12 is: 23,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,358.16 : 43,274.40 = 17,211.12 : x
  2. Step 2: Convert to fraction form
    31,358.16/43,274.40 = 17,211.12/x
  3. Step 3: Cross multiply
    31,358.16x = 43,274.40 × 17,211.12
  4. Step 4: Simplify right side
    31,358.16x = 744,800,891.33
  5. Step 5: Solve for x
    x = 744,800,891.33/31,358.16
  6. Step 6: Final answer
    x = 23,751.42

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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.