Home / 30,072.57-45,096.53-9,005.19

Finding the Fourth Proportional to 30,072.57, 45,096.53 and 9,005.19

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Solution

The fourth proportional to 30,072.57, 45,096.53 and 9,005.19 is: 13,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.57 : 45,096.53 = 9,005.19 : x
  2. Step 2: Convert to fraction form
    30,072.57/45,096.53 = 9,005.19/x
  3. Step 3: Cross multiply
    30,072.57x = 45,096.53 × 9,005.19
  4. Step 4: Simplify right side
    30,072.57x = 406,102,775.96
  5. Step 5: Solve for x
    x = 406,102,775.96/30,072.57
  6. Step 6: Final answer
    x = 13,504.09

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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.