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Finding the Fourth Proportional to 40,515.59, 60,800.03 and 14,219.64

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Solution

The fourth proportional to 40,515.59, 60,800.03 and 14,219.64 is: 21,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.59 : 60,800.03 = 14,219.64 : x
  2. Step 2: Convert to fraction form
    40,515.59/60,800.03 = 14,219.64/x
  3. Step 3: Cross multiply
    40,515.59x = 60,800.03 × 14,219.64
  4. Step 4: Simplify right side
    40,515.59x = 864,554,538.59
  5. Step 5: Solve for x
    x = 864,554,538.59/40,515.59
  6. Step 6: Final answer
    x = 21,338.81

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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.