Home / 30,694.06-42,361.55-17,265.88

Finding the Fourth Proportional to 30,694.06, 42,361.55 and 17,265.88

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Solution

The fourth proportional to 30,694.06, 42,361.55 and 17,265.88 is: 23,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.06 : 42,361.55 = 17,265.88 : x
  2. Step 2: Convert to fraction form
    30,694.06/42,361.55 = 17,265.88/x
  3. Step 3: Cross multiply
    30,694.06x = 42,361.55 × 17,265.88
  4. Step 4: Simplify right side
    30,694.06x = 731,409,438.91
  5. Step 5: Solve for x
    x = 731,409,438.91/30,694.06
  6. Step 6: Final answer
    x = 23,829.02

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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.