Home / 30,491.44-42,072.14-17,060.09

Finding the Fourth Proportional to 30,491.44, 42,072.14 and 17,060.09

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Solution

The fourth proportional to 30,491.44, 42,072.14 and 17,060.09 is: 23,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,491.44 : 42,072.14 = 17,060.09 : x
  2. Step 2: Convert to fraction form
    30,491.44/42,072.14 = 17,060.09/x
  3. Step 3: Cross multiply
    30,491.44x = 42,072.14 × 17,060.09
  4. Step 4: Simplify right side
    30,491.44x = 717,754,327.18
  5. Step 5: Solve for x
    x = 717,754,327.18/30,491.44
  6. Step 6: Final answer
    x = 23,539.54

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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.