Home / 30,008.69-41,406.21-18,072.80

Finding the Fourth Proportional to 30,008.69, 41,406.21 and 18,072.80

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Solution

The fourth proportional to 30,008.69, 41,406.21 and 18,072.80 is: 24,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.69 : 41,406.21 = 18,072.80 : x
  2. Step 2: Convert to fraction form
    30,008.69/41,406.21 = 18,072.80/x
  3. Step 3: Cross multiply
    30,008.69x = 41,406.21 × 18,072.80
  4. Step 4: Simplify right side
    30,008.69x = 748,325,945.06
  5. Step 5: Solve for x
    x = 748,325,945.06/30,008.69
  6. Step 6: Final answer
    x = 24,936.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.