Home / 31,759.01-43,824.24-18,334.58

Finding the Fourth Proportional to 31,759.01, 43,824.24 and 18,334.58

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Solution

The fourth proportional to 31,759.01, 43,824.24 and 18,334.58 is: 25,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.01 : 43,824.24 = 18,334.58 : x
  2. Step 2: Convert to fraction form
    31,759.01/43,824.24 = 18,334.58/x
  3. Step 3: Cross multiply
    31,759.01x = 43,824.24 × 18,334.58
  4. Step 4: Simplify right side
    31,759.01x = 803,498,938.35
  5. Step 5: Solve for x
    x = 803,498,938.35/31,759.01
  6. Step 6: Final answer
    x = 25,299.87

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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.