Home / 40,201.21-60,304.71-10,618.66

Finding the Fourth Proportional to 40,201.21, 60,304.71 and 10,618.66

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Solution

The fourth proportional to 40,201.21, 60,304.71 and 10,618.66 is: 15,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.21 : 60,304.71 = 10,618.66 : x
  2. Step 2: Convert to fraction form
    40,201.21/60,304.71 = 10,618.66/x
  3. Step 3: Cross multiply
    40,201.21x = 60,304.71 × 10,618.66
  4. Step 4: Simplify right side
    40,201.21x = 640,355,087.67
  5. Step 5: Solve for x
    x = 640,355,087.67/40,201.21
  6. Step 6: Final answer
    x = 15,928.75

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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.