Home / 30,006.07-45,014.58-10,286.62

Finding the Fourth Proportional to 30,006.07, 45,014.58 and 10,286.62

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Solution

The fourth proportional to 30,006.07, 45,014.58 and 10,286.62 is: 15,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.07 : 45,014.58 = 10,286.62 : x
  2. Step 2: Convert to fraction form
    30,006.07/45,014.58 = 10,286.62/x
  3. Step 3: Cross multiply
    30,006.07x = 45,014.58 × 10,286.62
  4. Step 4: Simplify right side
    30,006.07x = 463,047,766.38
  5. Step 5: Solve for x
    x = 463,047,766.38/30,006.07
  6. Step 6: Final answer
    x = 15,431.80

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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.