Home / 30,701.78-42,367.98-17,273.04

Finding the Fourth Proportional to 30,701.78, 42,367.98 and 17,273.04

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Solution

The fourth proportional to 30,701.78, 42,367.98 and 17,273.04 is: 23,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.78 : 42,367.98 = 17,273.04 : x
  2. Step 2: Convert to fraction form
    30,701.78/42,367.98 = 17,273.04/x
  3. Step 3: Cross multiply
    30,701.78x = 42,367.98 × 17,273.04
  4. Step 4: Simplify right side
    30,701.78x = 731,823,813.26
  5. Step 5: Solve for x
    x = 731,823,813.26/30,701.78
  6. Step 6: Final answer
    x = 23,836.53

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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.