Home / 49,116.40-73,674.60-12,180.40

Finding the Fourth Proportional to 49,116.40, 73,674.60 and 12,180.40

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Solution

The fourth proportional to 49,116.40, 73,674.60 and 12,180.40 is: 18,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,116.40 : 73,674.60 = 12,180.40 : x
  2. Step 2: Convert to fraction form
    49,116.40/73,674.60 = 12,180.40/x
  3. Step 3: Cross multiply
    49,116.40x = 73,674.60 × 12,180.40
  4. Step 4: Simplify right side
    49,116.40x = 897,386,097.84
  5. Step 5: Solve for x
    x = 897,386,097.84/49,116.40
  6. Step 6: Final answer
    x = 18,270.60

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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.