Home / 40,620.76-60,908.50-12,532.84

Finding the Fourth Proportional to 40,620.76, 60,908.50 and 12,532.84

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Solution

The fourth proportional to 40,620.76, 60,908.50 and 12,532.84 is: 18,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,620.76 : 60,908.50 = 12,532.84 : x
  2. Step 2: Convert to fraction form
    40,620.76/60,908.50 = 12,532.84/x
  3. Step 3: Cross multiply
    40,620.76x = 60,908.50 × 12,532.84
  4. Step 4: Simplify right side
    40,620.76x = 763,356,485.14
  5. Step 5: Solve for x
    x = 763,356,485.14/40,620.76
  6. Step 6: Final answer
    x = 18,792.27

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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.