Home / 49,551.90-74,330.28-19,965.72

Finding the Fourth Proportional to 49,551.90, 74,330.28 and 19,965.72

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Solution

The fourth proportional to 49,551.90, 74,330.28 and 19,965.72 is: 29,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,551.90 : 74,330.28 = 19,965.72 : x
  2. Step 2: Convert to fraction form
    49,551.90/74,330.28 = 19,965.72/x
  3. Step 3: Cross multiply
    49,551.90x = 74,330.28 × 19,965.72
  4. Step 4: Simplify right side
    49,551.90x = 1,484,057,558.00
  5. Step 5: Solve for x
    x = 1,484,057,558.00/49,551.90
  6. Step 6: Final answer
    x = 29,949.56

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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.