Home / 31,261.56-43,139.97-17,113.56

Finding the Fourth Proportional to 31,261.56, 43,139.97 and 17,113.56

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Solution

The fourth proportional to 31,261.56, 43,139.97 and 17,113.56 is: 23,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.56 : 43,139.97 = 17,113.56 : x
  2. Step 2: Convert to fraction form
    31,261.56/43,139.97 = 17,113.56/x
  3. Step 3: Cross multiply
    31,261.56x = 43,139.97 × 17,113.56
  4. Step 4: Simplify right side
    31,261.56x = 738,278,464.99
  5. Step 5: Solve for x
    x = 738,278,464.99/31,261.56
  6. Step 6: Final answer
    x = 23,616.17

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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.