Home / 49,971.62-74,920.37-30,245.55

Finding the Fourth Proportional to 49,971.62, 74,920.37 and 30,245.55

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Solution

The fourth proportional to 49,971.62, 74,920.37 and 30,245.55 is: 45,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,971.62 : 74,920.37 = 30,245.55 : x
  2. Step 2: Convert to fraction form
    49,971.62/74,920.37 = 30,245.55/x
  3. Step 3: Cross multiply
    49,971.62x = 74,920.37 × 30,245.55
  4. Step 4: Simplify right side
    49,971.62x = 2,266,007,645.63
  5. Step 5: Solve for x
    x = 2,266,007,645.63/49,971.62
  6. Step 6: Final answer
    x = 45,345.90

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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.