Home / 49,814.08-74,741.10-20,234.20

Finding the Fourth Proportional to 49,814.08, 74,741.10 and 20,234.20

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Solution

The fourth proportional to 49,814.08, 74,741.10 and 20,234.20 is: 30,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,814.08 : 74,741.10 = 20,234.20 : x
  2. Step 2: Convert to fraction form
    49,814.08/74,741.10 = 20,234.20/x
  3. Step 3: Cross multiply
    49,814.08x = 74,741.10 × 20,234.20
  4. Step 4: Simplify right side
    49,814.08x = 1,512,326,365.62
  5. Step 5: Solve for x
    x = 1,512,326,365.62/49,814.08
  6. Step 6: Final answer
    x = 30,359.42

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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.