Home / 30,704.35-42,371.36-17,275.45

Finding the Fourth Proportional to 30,704.35, 42,371.36 and 17,275.45

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Solution

The fourth proportional to 30,704.35, 42,371.36 and 17,275.45 is: 23,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.35 : 42,371.36 = 17,275.45 : x
  2. Step 2: Convert to fraction form
    30,704.35/42,371.36 = 17,275.45/x
  3. Step 3: Cross multiply
    30,704.35x = 42,371.36 × 17,275.45
  4. Step 4: Simplify right side
    30,704.35x = 731,984,224.73
  5. Step 5: Solve for x
    x = 731,984,224.73/30,704.35
  6. Step 6: Final answer
    x = 23,839.76

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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.