Home / 40,186.09-60,241.42-13,513.43

Finding the Fourth Proportional to 40,186.09, 60,241.42 and 13,513.43

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Solution

The fourth proportional to 40,186.09, 60,241.42 and 13,513.43 is: 20,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.09 : 60,241.42 = 13,513.43 : x
  2. Step 2: Convert to fraction form
    40,186.09/60,241.42 = 13,513.43/x
  3. Step 3: Cross multiply
    40,186.09x = 60,241.42 × 13,513.43
  4. Step 4: Simplify right side
    40,186.09x = 814,068,223.01
  5. Step 5: Solve for x
    x = 814,068,223.01/40,186.09
  6. Step 6: Final answer
    x = 20,257.46

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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.