Home / 31,256.22-43,133.70-17,110.38

Finding the Fourth Proportional to 31,256.22, 43,133.70 and 17,110.38

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Solution

The fourth proportional to 31,256.22, 43,133.70 and 17,110.38 is: 23,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.22 : 43,133.70 = 17,110.38 : x
  2. Step 2: Convert to fraction form
    31,256.22/43,133.70 = 17,110.38/x
  3. Step 3: Cross multiply
    31,256.22x = 43,133.70 × 17,110.38
  4. Step 4: Simplify right side
    31,256.22x = 738,033,997.81
  5. Step 5: Solve for x
    x = 738,033,997.81/31,256.22
  6. Step 6: Final answer
    x = 23,612.39

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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.