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Finding the Fourth Proportional to 49,495.59, 74,243.52 and 12,055.68

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Solution

The fourth proportional to 49,495.59, 74,243.52 and 12,055.68 is: 18,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,495.59 : 74,243.52 = 12,055.68 : x
  2. Step 2: Convert to fraction form
    49,495.59/74,243.52 = 12,055.68/x
  3. Step 3: Cross multiply
    49,495.59x = 74,243.52 × 12,055.68
  4. Step 4: Simplify right side
    49,495.59x = 895,056,119.19
  5. Step 5: Solve for x
    x = 895,056,119.19/49,495.59
  6. Step 6: Final answer
    x = 18,083.55

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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.