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Finding the Fourth Proportional to 40,500.20, 60,750.30 and 14,207.60

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Solution

The fourth proportional to 40,500.20, 60,750.30 and 14,207.60 is: 21,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500.20 : 60,750.30 = 14,207.60 : x
  2. Step 2: Convert to fraction form
    40,500.20/60,750.30 = 14,207.60/x
  3. Step 3: Cross multiply
    40,500.20x = 60,750.30 × 14,207.60
  4. Step 4: Simplify right side
    40,500.20x = 863,115,962.28
  5. Step 5: Solve for x
    x = 863,115,962.28/40,500.20
  6. Step 6: Final answer
    x = 21,311.40

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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.