Home / 49,634.84-74,389.64-20,036.20

Finding the Fourth Proportional to 49,634.84, 74,389.64 and 20,036.20

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Solution

The fourth proportional to 49,634.84, 74,389.64 and 20,036.20 is: 30,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,634.84 : 74,389.64 = 20,036.20 : x
  2. Step 2: Convert to fraction form
    49,634.84/74,389.64 = 20,036.20/x
  3. Step 3: Cross multiply
    49,634.84x = 74,389.64 × 20,036.20
  4. Step 4: Simplify right side
    49,634.84x = 1,490,485,704.97
  5. Step 5: Solve for x
    x = 1,490,485,704.97/49,634.84
  6. Step 6: Final answer
    x = 30,029.02

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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.