Home / 31,519.79-43,496.73-17,179.74

Finding the Fourth Proportional to 31,519.79, 43,496.73 and 17,179.74

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Solution

The fourth proportional to 31,519.79, 43,496.73 and 17,179.74 is: 23,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.79 : 43,496.73 = 17,179.74 : x
  2. Step 2: Convert to fraction form
    31,519.79/43,496.73 = 17,179.74/x
  3. Step 3: Cross multiply
    31,519.79x = 43,496.73 × 17,179.74
  4. Step 4: Simplify right side
    31,519.79x = 747,262,512.25
  5. Step 5: Solve for x
    x = 747,262,512.25/31,519.79
  6. Step 6: Final answer
    x = 23,707.73

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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.