Home / 49,899.80-74,861.64-16,620.12

Finding the Fourth Proportional to 49,899.80, 74,861.64 and 16,620.12

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Solution

The fourth proportional to 49,899.80, 74,861.64 and 16,620.12 is: 24,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,899.80 : 74,861.64 = 16,620.12 : x
  2. Step 2: Convert to fraction form
    49,899.80/74,861.64 = 16,620.12/x
  3. Step 3: Cross multiply
    49,899.80x = 74,861.64 × 16,620.12
  4. Step 4: Simplify right side
    49,899.80x = 1,244,209,440.20
  5. Step 5: Solve for x
    x = 1,244,209,440.20/49,899.80
  6. Step 6: Final answer
    x = 24,934.16

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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.