Home / 49,677.80-74,516.70-18,506.60

Finding the Fourth Proportional to 49,677.80, 74,516.70 and 18,506.60

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Solution

The fourth proportional to 49,677.80, 74,516.70 and 18,506.60 is: 27,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,677.80 : 74,516.70 = 18,506.60 : x
  2. Step 2: Convert to fraction form
    49,677.80/74,516.70 = 18,506.60/x
  3. Step 3: Cross multiply
    49,677.80x = 74,516.70 × 18,506.60
  4. Step 4: Simplify right side
    49,677.80x = 1,379,050,760.22
  5. Step 5: Solve for x
    x = 1,379,050,760.22/49,677.80
  6. Step 6: Final answer
    x = 27,759.90

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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.