Home / 49,338.99-74,020.64-14,278.14

Finding the Fourth Proportional to 49,338.99, 74,020.64 and 14,278.14

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Solution

The fourth proportional to 49,338.99, 74,020.64 and 14,278.14 is: 21,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,338.99 : 74,020.64 = 14,278.14 : x
  2. Step 2: Convert to fraction form
    49,338.99/74,020.64 = 14,278.14/x
  3. Step 3: Cross multiply
    49,338.99x = 74,020.64 × 14,278.14
  4. Step 4: Simplify right side
    49,338.99x = 1,056,876,989.42
  5. Step 5: Solve for x
    x = 1,056,876,989.42/49,338.99
  6. Step 6: Final answer
    x = 21,420.73

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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.