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Finding the Fourth Proportional to 49,000.20, 73,485.90 and 19,408.20

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Solution

The fourth proportional to 49,000.20, 73,485.90 and 19,408.20 is: 29,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,000.20 : 73,485.90 = 19,408.20 : x
  2. Step 2: Convert to fraction form
    49,000.20/73,485.90 = 19,408.20/x
  3. Step 3: Cross multiply
    49,000.20x = 73,485.90 × 19,408.20
  4. Step 4: Simplify right side
    49,000.20x = 1,426,229,044.38
  5. Step 5: Solve for x
    x = 1,426,229,044.38/49,000.20
  6. Step 6: Final answer
    x = 29,106.60

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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.