Home / 30,103.98-45,185.13-14,532.54

Finding the Fourth Proportional to 30,103.98, 45,185.13 and 14,532.54

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Solution

The fourth proportional to 30,103.98, 45,185.13 and 14,532.54 is: 21,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.98 : 45,185.13 = 14,532.54 : x
  2. Step 2: Convert to fraction form
    30,103.98/45,185.13 = 14,532.54/x
  3. Step 3: Cross multiply
    30,103.98x = 45,185.13 × 14,532.54
  4. Step 4: Simplify right side
    30,103.98x = 656,654,709.13
  5. Step 5: Solve for x
    x = 656,654,709.13/30,103.98
  6. Step 6: Final answer
    x = 21,812.89

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1.5x scale

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.