Home / 40,284.46-60,405.93-18,078.80

Finding the Fourth Proportional to 40,284.46, 60,405.93 and 18,078.80

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Solution

The fourth proportional to 40,284.46, 60,405.93 and 18,078.80 is: 27,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.46 : 60,405.93 = 18,078.80 : x
  2. Step 2: Convert to fraction form
    40,284.46/60,405.93 = 18,078.80/x
  3. Step 3: Cross multiply
    40,284.46x = 60,405.93 × 18,078.80
  4. Step 4: Simplify right side
    40,284.46x = 1,092,066,334.86
  5. Step 5: Solve for x
    x = 1,092,066,334.86/40,284.46
  6. Step 6: Final answer
    x = 27,108.88

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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.