Home / 31,168.22-43,011.47-17,021.12

Finding the Fourth Proportional to 31,168.22, 43,011.47 and 17,021.12

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Solution

The fourth proportional to 31,168.22, 43,011.47 and 17,021.12 is: 23,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.22 : 43,011.47 = 17,021.12 : x
  2. Step 2: Convert to fraction form
    31,168.22/43,011.47 = 17,021.12/x
  3. Step 3: Cross multiply
    31,168.22x = 43,011.47 × 17,021.12
  4. Step 4: Simplify right side
    31,168.22x = 732,103,219.74
  5. Step 5: Solve for x
    x = 732,103,219.74/31,168.22
  6. Step 6: Final answer
    x = 23,488.78

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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.