Home / 49,515.64-74,295.33-19,991.14

Finding the Fourth Proportional to 49,515.64, 74,295.33 and 19,991.14

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Solution

The fourth proportional to 49,515.64, 74,295.33 and 19,991.14 is: 29,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.64 : 74,295.33 = 19,991.14 : x
  2. Step 2: Convert to fraction form
    49,515.64/74,295.33 = 19,991.14/x
  3. Step 3: Cross multiply
    49,515.64x = 74,295.33 × 19,991.14
  4. Step 4: Simplify right side
    49,515.64x = 1,485,248,082.67
  5. Step 5: Solve for x
    x = 1,485,248,082.67/49,515.64
  6. Step 6: Final answer
    x = 29,995.54

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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.