Home / 39,751.04-54,857.45-21,846.50

Finding the Fourth Proportional to 39,751.04, 54,857.45 and 21,846.50

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Solution

The fourth proportional to 39,751.04, 54,857.45 and 21,846.50 is: 30,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.04 : 54,857.45 = 21,846.50 : x
  2. Step 2: Convert to fraction form
    39,751.04/54,857.45 = 21,846.50/x
  3. Step 3: Cross multiply
    39,751.04x = 54,857.45 × 21,846.50
  4. Step 4: Simplify right side
    39,751.04x = 1,198,443,281.43
  5. Step 5: Solve for x
    x = 1,198,443,281.43/39,751.04
  6. Step 6: Final answer
    x = 30,148.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.