Home / 31,460.94-43,416.93-17,121.66

Finding the Fourth Proportional to 31,460.94, 43,416.93 and 17,121.66

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Solution

The fourth proportional to 31,460.94, 43,416.93 and 17,121.66 is: 23,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.94 : 43,416.93 = 17,121.66 : x
  2. Step 2: Convert to fraction form
    31,460.94/43,416.93 = 17,121.66/x
  3. Step 3: Cross multiply
    31,460.94x = 43,416.93 × 17,121.66
  4. Step 4: Simplify right side
    31,460.94x = 743,369,913.70
  5. Step 5: Solve for x
    x = 743,369,913.70/31,460.94
  6. Step 6: Final answer
    x = 23,628.34

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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.