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Finding the Fourth Proportional to 40,522.40, 60,783.60 and 14,224.40

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Solution

The fourth proportional to 40,522.40, 60,783.60 and 14,224.40 is: 21,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,522.40 : 60,783.60 = 14,224.40 : x
  2. Step 2: Convert to fraction form
    40,522.40/60,783.60 = 14,224.40/x
  3. Step 3: Cross multiply
    40,522.40x = 60,783.60 × 14,224.40
  4. Step 4: Simplify right side
    40,522.40x = 864,610,239.84
  5. Step 5: Solve for x
    x = 864,610,239.84/40,522.40
  6. Step 6: Final answer
    x = 21,336.60

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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.