Home / 30,072.69-45,073.66-12,292.38

Finding the Fourth Proportional to 30,072.69, 45,073.66 and 12,292.38

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Solution

The fourth proportional to 30,072.69, 45,073.66 and 12,292.38 is: 18,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.69 : 45,073.66 = 12,292.38 : x
  2. Step 2: Convert to fraction form
    30,072.69/45,073.66 = 12,292.38/x
  3. Step 3: Cross multiply
    30,072.69x = 45,073.66 × 12,292.38
  4. Step 4: Simplify right side
    30,072.69x = 554,062,556.71
  5. Step 5: Solve for x
    x = 554,062,556.71/30,072.69
  6. Step 6: Final answer
    x = 18,424.11

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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.