Home / 31,512.12-43,488.66-17,364.96

Finding the Fourth Proportional to 31,512.12, 43,488.66 and 17,364.96

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Solution

The fourth proportional to 31,512.12, 43,488.66 and 17,364.96 is: 23,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.12 : 43,488.66 = 17,364.96 : x
  2. Step 2: Convert to fraction form
    31,512.12/43,488.66 = 17,364.96/x
  3. Step 3: Cross multiply
    31,512.12x = 43,488.66 × 17,364.96
  4. Step 4: Simplify right side
    31,512.12x = 755,178,841.35
  5. Step 5: Solve for x
    x = 755,178,841.35/31,512.12
  6. Step 6: Final answer
    x = 23,964.71

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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.