Home / 40,213.54-60,320.75-12,133.84

Finding the Fourth Proportional to 40,213.54, 60,320.75 and 12,133.84

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Solution

The fourth proportional to 40,213.54, 60,320.75 and 12,133.84 is: 18,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.54 : 60,320.75 = 12,133.84 : x
  2. Step 2: Convert to fraction form
    40,213.54/60,320.75 = 12,133.84/x
  3. Step 3: Cross multiply
    40,213.54x = 60,320.75 × 12,133.84
  4. Step 4: Simplify right side
    40,213.54x = 731,922,329.18
  5. Step 5: Solve for x
    x = 731,922,329.18/40,213.54
  6. Step 6: Final answer
    x = 18,200.89

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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.