Home / 30,701.64-42,371.88-17,273.40

Finding the Fourth Proportional to 30,701.64, 42,371.88 and 17,273.40

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Solution

The fourth proportional to 30,701.64, 42,371.88 and 17,273.40 is: 23,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.64 : 42,371.88 = 17,273.40 : x
  2. Step 2: Convert to fraction form
    30,701.64/42,371.88 = 17,273.40/x
  3. Step 3: Cross multiply
    30,701.64x = 42,371.88 × 17,273.40
  4. Step 4: Simplify right side
    30,701.64x = 731,906,431.99
  5. Step 5: Solve for x
    x = 731,906,431.99/30,701.64
  6. Step 6: Final answer
    x = 23,839.33

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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.