Home / 31,168.62-43,010.64-17,021.43

Finding the Fourth Proportional to 31,168.62, 43,010.64 and 17,021.43

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Solution

The fourth proportional to 31,168.62, 43,010.64 and 17,021.43 is: 23,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.62 : 43,010.64 = 17,021.43 : x
  2. Step 2: Convert to fraction form
    31,168.62/43,010.64 = 17,021.43/x
  3. Step 3: Cross multiply
    31,168.62x = 43,010.64 × 17,021.43
  4. Step 4: Simplify right side
    31,168.62x = 732,102,598.02
  5. Step 5: Solve for x
    x = 732,102,598.02/31,168.62
  6. Step 6: Final answer
    x = 23,488.45

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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.