Home / 49,919.20-74,814.17-20,302.63

Finding the Fourth Proportional to 49,919.20, 74,814.17 and 20,302.63

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Solution

The fourth proportional to 49,919.20, 74,814.17 and 20,302.63 is: 30,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.20 : 74,814.17 = 20,302.63 : x
  2. Step 2: Convert to fraction form
    49,919.20/74,814.17 = 20,302.63/x
  3. Step 3: Cross multiply
    49,919.20x = 74,814.17 × 20,302.63
  4. Step 4: Simplify right side
    49,919.20x = 1,518,924,123.72
  5. Step 5: Solve for x
    x = 1,518,924,123.72/49,919.20
  6. Step 6: Final answer
    x = 30,427.66

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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.