Home / 31,260.84-43,139.97-17,113.69

Finding the Fourth Proportional to 31,260.84, 43,139.97 and 17,113.69

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Solution

The fourth proportional to 31,260.84, 43,139.97 and 17,113.69 is: 23,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.84 : 43,139.97 = 17,113.69 : x
  2. Step 2: Convert to fraction form
    31,260.84/43,139.97 = 17,113.69/x
  3. Step 3: Cross multiply
    31,260.84x = 43,139.97 × 17,113.69
  4. Step 4: Simplify right side
    31,260.84x = 738,283,771.92
  5. Step 5: Solve for x
    x = 738,283,771.92/31,260.84
  6. Step 6: Final answer
    x = 23,616.89

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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.