Home / 49,983.94-75,000.34-21,900.16

Finding the Fourth Proportional to 49,983.94, 75,000.34 and 21,900.16

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Solution

The fourth proportional to 49,983.94, 75,000.34 and 21,900.16 is: 32,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,983.94 : 75,000.34 = 21,900.16 : x
  2. Step 2: Convert to fraction form
    49,983.94/75,000.34 = 21,900.16/x
  3. Step 3: Cross multiply
    49,983.94x = 75,000.34 × 21,900.16
  4. Step 4: Simplify right side
    49,983.94x = 1,642,519,446.05
  5. Step 5: Solve for x
    x = 1,642,519,446.05/49,983.94
  6. Step 6: Final answer
    x = 32,860.94

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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.