Home / 38,489.98-57,736.59-12,194.14

Finding the Fourth Proportional to 38,489.98, 57,736.59 and 12,194.14

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Solution

The fourth proportional to 38,489.98, 57,736.59 and 12,194.14 is: 18,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.98 : 57,736.59 = 12,194.14 : x
  2. Step 2: Convert to fraction form
    38,489.98/57,736.59 = 12,194.14/x
  3. Step 3: Cross multiply
    38,489.98x = 57,736.59 × 12,194.14
  4. Step 4: Simplify right side
    38,489.98x = 704,048,061.58
  5. Step 5: Solve for x
    x = 704,048,061.58/38,489.98
  6. Step 6: Final answer
    x = 18,291.72

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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.