Home / 31,897.67-43,942.64-22,319.69

Finding the Fourth Proportional to 31,897.67, 43,942.64 and 22,319.69

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Solution

The fourth proportional to 31,897.67, 43,942.64 and 22,319.69 is: 30,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.67 : 43,942.64 = 22,319.69 : x
  2. Step 2: Convert to fraction form
    31,897.67/43,942.64 = 22,319.69/x
  3. Step 3: Cross multiply
    31,897.67x = 43,942.64 × 22,319.69
  4. Step 4: Simplify right side
    31,897.67x = 980,785,771.27
  5. Step 5: Solve for x
    x = 980,785,771.27/31,897.67
  6. Step 6: Final answer
    x = 30,747.89

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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.