Home / 30,391.04-45,552-12,849.92

Finding the Fourth Proportional to 30,391.04, 45,552 and 12,849.92

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Solution

The fourth proportional to 30,391.04, 45,552 and 12,849.92 is: 19,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.04 : 45,552 = 12,849.92 : x
  2. Step 2: Convert to fraction form
    30,391.04/45,552 = 12,849.92/x
  3. Step 3: Cross multiply
    30,391.04x = 45,552 × 12,849.92
  4. Step 4: Simplify right side
    30,391.04x = 585,339,555.84
  5. Step 5: Solve for x
    x = 585,339,555.84/30,391.04
  6. Step 6: Final answer
    x = 19,260.27

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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.