Home / 40,149.90-60,224.94-12,072.87

Finding the Fourth Proportional to 40,149.90, 60,224.94 and 12,072.87

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Solution

The fourth proportional to 40,149.90, 60,224.94 and 12,072.87 is: 18,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.90 : 60,224.94 = 12,072.87 : x
  2. Step 2: Convert to fraction form
    40,149.90/60,224.94 = 12,072.87/x
  3. Step 3: Cross multiply
    40,149.90x = 60,224.94 × 12,072.87
  4. Step 4: Simplify right side
    40,149.90x = 727,087,871.38
  5. Step 5: Solve for x
    x = 727,087,871.38/40,149.90
  6. Step 6: Final answer
    x = 18,109.33

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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.