Home / 49,402.11-74,089.89-13,861.38

Finding the Fourth Proportional to 49,402.11, 74,089.89 and 13,861.38

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Solution

The fourth proportional to 49,402.11, 74,089.89 and 13,861.38 is: 20,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.11 : 74,089.89 = 13,861.38 : x
  2. Step 2: Convert to fraction form
    49,402.11/74,089.89 = 13,861.38/x
  3. Step 3: Cross multiply
    49,402.11x = 74,089.89 × 13,861.38
  4. Step 4: Simplify right side
    49,402.11x = 1,026,988,119.45
  5. Step 5: Solve for x
    x = 1,026,988,119.45/49,402.11
  6. Step 6: Final answer
    x = 20,788.35

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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.