Home / 30,486.98-45,732.24-11,767.12

Finding the Fourth Proportional to 30,486.98, 45,732.24 and 11,767.12

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Solution

The fourth proportional to 30,486.98, 45,732.24 and 11,767.12 is: 17,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486.98 : 45,732.24 = 11,767.12 : x
  2. Step 2: Convert to fraction form
    30,486.98/45,732.24 = 11,767.12/x
  3. Step 3: Cross multiply
    30,486.98x = 45,732.24 × 11,767.12
  4. Step 4: Simplify right side
    30,486.98x = 538,136,755.95
  5. Step 5: Solve for x
    x = 538,136,755.95/30,486.98
  6. Step 6: Final answer
    x = 17,651.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.