Home / 49,432.14-74,147.58-11,992.50

Finding the Fourth Proportional to 49,432.14, 74,147.58 and 11,992.50

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Solution

The fourth proportional to 49,432.14, 74,147.58 and 11,992.50 is: 17,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,432.14 : 74,147.58 = 11,992.50 : x
  2. Step 2: Convert to fraction form
    49,432.14/74,147.58 = 11,992.50/x
  3. Step 3: Cross multiply
    49,432.14x = 74,147.58 × 11,992.50
  4. Step 4: Simplify right side
    49,432.14x = 889,214,853.15
  5. Step 5: Solve for x
    x = 889,214,853.15/49,432.14
  6. Step 6: Final answer
    x = 17,988.60

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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.