Home / 30,694.50-42,354.78-17,265.06

Finding the Fourth Proportional to 30,694.50, 42,354.78 and 17,265.06

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Solution

The fourth proportional to 30,694.50, 42,354.78 and 17,265.06 is: 23,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.50 : 42,354.78 = 17,265.06 : x
  2. Step 2: Convert to fraction form
    30,694.50/42,354.78 = 17,265.06/x
  3. Step 3: Cross multiply
    30,694.50x = 42,354.78 × 17,265.06
  4. Step 4: Simplify right side
    30,694.50x = 731,257,817.99
  5. Step 5: Solve for x
    x = 731,257,817.99/30,694.50
  6. Step 6: Final answer
    x = 23,823.74

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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.