Home / 31,253.70-43,129.76-17,106.38

Finding the Fourth Proportional to 31,253.70, 43,129.76 and 17,106.38

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Solution

The fourth proportional to 31,253.70, 43,129.76 and 17,106.38 is: 23,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.70 : 43,129.76 = 17,106.38 : x
  2. Step 2: Convert to fraction form
    31,253.70/43,129.76 = 17,106.38/x
  3. Step 3: Cross multiply
    31,253.70x = 43,129.76 × 17,106.38
  4. Step 4: Simplify right side
    31,253.70x = 737,793,762.69
  5. Step 5: Solve for x
    x = 737,793,762.69/31,253.70
  6. Step 6: Final answer
    x = 23,606.61

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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.